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1. Prevalence of overweight and obesity and associations with socioeconomic indicators: the study of health and activity among adolescents in Kuwait

Author: Rey-López, JP, Hashem, R, Hamer, M, McMunn, A, Whincup, PH, Owen, CG, and Stamatakis, E
Abstract: BACKGROUND: Kuwait is one of the Arab countries with the highest prevalence of overweight or obesity. However, few studies have described the prevalence of obesity in this country. The aim of this study is to describe the prevalence of overweight and obesity among Kuwaiti adolescents; and to examine the association of overweight and obesity status with familial socioeconomic status (SES).\ud METHODS: Cross-sectional data from 591 adolescent students (47% boys, median age: 16 years) from the Study of Health and Activity among Adolescents in Kuwait in 2012 and 2013. Body weight status was determined using the International Obesity Task Force (IOTF) body mass index standards. SES was based on parental education. Odds ratio for overweight and obesity were calculated using multiple logistic regression.\ud RESULTS: In our study, over half of the adolescents were overweight or obese 54.3% (95% CI: 49.9-58.4). The prevalence of overweight (including obesity) was higher in boys (59.8%, 95% CI: 54.3-66.3) than girls (49.2%, 95% CI: 43.5-54.8). No association between parental education and the risk of overweight/obesity was found.\ud CONCLUSIONS: There is an alarmingly high rate of overweight/obesity among Kuwaiti adolescents, but we did not find evidence of a social gradient in obesity risk. Urgent actions are needed to reverse this epidemic across all social groups.
Published: 2019

2. Commentaries on viewpoint: Rejuvenation of the term sarcopenia

Author: Langer, HT, Mossakowski, AA, Baar, K, Alcazar, J, Martin-Rincon, M, Alegre, LM, Ara, I, Calbet, JAL, Hinkley, JM, Coen, PM, Irving, BA, Allerton, TD, Nair, S, Lima, RM, Rey-López, JP, Scott, D, Daly, Robin, Ebeling, PR, Hayes, A, Tessier, AJ, Chevalier, S, Yates, BA, Brown, LAR, Storer, TW, Westcott, WL, Nifli, AP, Musci, RV, Konopka, AR, Hamilton, KL, Hepple less, RT, Langer, HT, Mossakowski, AA, Baar, K, Alcazar, J, Martin-Rincon, M, Alegre, LM, Ara, I, Calbet, JAL, Hinkley, JM, Coen, PM, Irving, BA, Allerton, TD, Nair, S, Lima, RM, Rey-López, JP, Scott, D, Daly, Robin, Ebeling, PR, Hayes, A, Tessier, AJ, Chevalier, S, Yates, BA, Brown, LAR, Storer, TW, Westcott, WL, Nifli, AP, Musci, RV, Konopka, AR, Hamilton, KL, and Hepple less, RT
Published: 2019

3. Influence of sex, age, pubertal maturation and body mass index on circulating white blood cell counts in healthy European adolescents—the HELENA study

Author: Pérez de Heredia, Fátima, Gómez Martínez, Sonia, Díaz, Ligia Esperanza, Veses, Ana M., Nova, Esther, Wärnberg, Julia, Huybrechts, Inge, Vyncke, Krishna, Androutsos, Odysseas, Ferrari, Marika, Palacios, Gonzalo, Wastlund, Acki, Kovács, Éva, Gottrand, Frédéric, González Gross, Marcela, Castillo, Manuel J., Sjöstrom, Michael, Manios, Yannis, Kafatos, Anthony, Molnár, Denes, Widhalm, Kurt, Moreno, Luis A., Marcos, Ascensión, Moreno LA, Gottrand F, De Henauw S, González Gross M, Gilbert C, Kafatos A, Libersa C, Castelló S, Kersting M, Sjöstrom M, Molnár D, Dallongeville J, Hall G, Maes L, Scalfi L, Meléndez P, Fleta J, Casajús JA, Rodríguez G, Tomás C, Mesana MI, Vicente Rodríguez G, Villarroya A, Gil CM, Ara I, Revenga J, Lachen C, Fernández Alvira J, Bueno G, Lázaro A, Bueno O, León JF, Garagorri JM, Bueno M, Rey López JP, Iglesia I, Velasco P, Bel S, Gracia Marco LA, Mouratidou T, Marcos A, Nova E, Gómez Martínez S, Díaz LE, Romeo J, Veses A, Zapatera B, Pozo T, Martínez D, Beghin L, Iliescu C, Von Berlepsch J, Sichert Hellert W, Koeppen E, Molnar D, Erhardt E, Csernus K, Török K, Bokor S, Nagy E, Kovács O, Répasi J, Codrington C, Plada M, Papadaki A, Sarri K, Viskadourou A, Hatzis C, Kiriakakis M, Tsibinos G, Vardavas C, Sbokos M, Protoyeraki E, Fasoulaki M, Stehle P, Pietrzik K, Breidenassel C, Spinneker A, Al Tahan J, Segoviano M, Berchtold A, Bierschbach C, Blatzheim E, Schuch A, Pickert P, Castillo MJ, Gutiérrez Á, Ortega FB, Ruiz JR, Artero EG, España V, Jiménez Pavón D, Chillón P, Sánchez Muñoz C, Cuenca M, Arcella D, Azzini E, Barison E, Bevilacqua N, Buonocore P, Catasta G, Censi L, Ciarapica D, D'Acapito P, Ferrari M, Galfo M, Le Donne C, Leclercq C, Maiani G, Mauro B, Mistura L, Pasquali A, Piccinelli R, Polito A, Spada R, Sette S, Zaccaria M, Roccaldo R, VITAGLIONE, PAOLA, Montagnese C, De Bourdeaudhuij I, De Vriendt T, Matthys C, Vereecken C, de Maeyer M, Ottevaere C, Huybrechts I, Widhalm K, Phillipp K, Dietrich S, Kubelka B, Boriss Riedl M, Manios Y, Grammatikaki E, Bouloubasi Z, Cook TL, Eleutheriou S, Consta O, Moschonis G, Katsaroli I, Kraniou G, Papoutsou S, Keke D, Petraki I, Bellou E, Tanagra S, Kallianoti K, Argyropoulou D, Kondaki K, Tsikrika S, Karaiskos C, Meirhaeghe A, Hagströmer M, Hurtig Wennlöf A, Hallström L, Patterson E, Kwak L, Wärnberg J, Rizzo N, Sánchez Molero J, Picó E, Navarro M, Viadel B, Carreres JE, Merino G, Sanjuán R, Lorente M, Sánchez MJ, Thomas S, Allchurch E, Burgess P, Astrom A, Sverkén A, Broberg A, Masson A, Lehoux C, Brabant P, Pate P, Fontaine L, Sebok A, Kuti T, Hegyi A, Maldonado C, Llorente A, García E, von Fircks H, Hallberg ML, Messerer M, Larsson M, Fredriksson H, Adamsson V, Börjesson I, Fernández L, Smillie L, Wills J, Valtueña J, Albers U, Pedrero R, Palacios G, Meléndez A, Benito PJ, Gómez Lorente JJ, Cañada D, Urzanqui A, Ortiz JC, Fuentes F, Torres RM, Navarro P., Pérez de Heredia, Fátima, Gómez Martínez, Sonia, Díaz, Ligia Esperanza, Veses, Ana M., Nova, Esther, Wärnberg, Julia, Huybrechts, Inge, Vyncke, Krishna, Androutsos, Odyssea, Ferrari, Marika, Palacios, Gonzalo, Wastlund, Acki, Kovács, Éva, Gottrand, Frédéric, González Gross, Marcela, Castillo, Manuel J., Sjöstrom, Michael, Manios, Yanni, Kafatos, Anthony, Molnár, Dene, Widhalm, Kurt, Moreno, Luis A., Marcos, Ascensión, Moreno, La, Gottrand, F, De Henauw, S, González Gross, M, Gilbert, C, Kafatos, A, Libersa, C, Castelló, S, Kersting, M, Sjöstrom, M, Molnár, D, Dallongeville, J, Hall, G, Maes, L, Scalfi, L, Meléndez, P, Fleta, J, Casajús, Ja, Rodríguez, G, Tomás, C, Mesana, Mi, Vicente Rodríguez, G, Villarroya, A, Gil, Cm, Ara, I, Revenga, J, Lachen, C, Fernández Alvira, J, Bueno, G, Lázaro, A, Bueno, O, León, Jf, Garagorri, Jm, Bueno, M, Rey López, Jp, Iglesia, I, Velasco, P, Bel, S, Gracia Marco, La, Mouratidou, T, Marcos, A, Nova, E, Gómez Martínez, S, Díaz, Le, Romeo, J, Veses, A, Zapatera, B, Pozo, T, Martínez, D, Beghin, L, Iliescu, C, Von Berlepsch, J, Sichert Hellert, W, Koeppen, E, Molnar, D, Erhardt, E, Csernus, K, Török, K, Bokor, S, Nagy, E, Kovács, O, Répasi, J, Codrington, C, Plada, M, Papadaki, A, Sarri, K, Viskadourou, A, Hatzis, C, Kiriakakis, M, Tsibinos, G, Vardavas, C, Sbokos, M, Protoyeraki, E, Fasoulaki, M, Stehle, P, Pietrzik, K, Breidenassel, C, Spinneker, A, Al Tahan, J, Segoviano, M, Berchtold, A, Bierschbach, C, Blatzheim, E, Schuch, A, Pickert, P, Castillo, Mj, Gutiérrez, Á, Ortega, Fb, Ruiz, Jr, Artero, Eg, España, V, Jiménez Pavón, D, Chillón, P, Sánchez Muñoz, C, Cuenca, M, Arcella, D, Azzini, E, Barison, E, Bevilacqua, N, Buonocore, P, Catasta, G, Censi, L, Ciarapica, D, D'Acapito, P, Ferrari, M, Galfo, M, Le Donne, C, Leclercq, C, Maiani, G, Mauro, B, Mistura, L, Pasquali, A, Piccinelli, R, Polito, A, Spada, R, Sette, S, Zaccaria, M, Roccaldo, R, Vitaglione, Paola, Montagnese, C, De Bourdeaudhuij, I, De Vriendt, T, Matthys, C, Vereecken, C, de Maeyer, M, Ottevaere, C, Huybrechts, I, Widhalm, K, Phillipp, K, Dietrich, S, Kubelka, B, Boriss Riedl, M, Manios, Y, Grammatikaki, E, Bouloubasi, Z, Cook, Tl, Eleutheriou, S, Consta, O, Moschonis, G, Katsaroli, I, Kraniou, G, Papoutsou, S, Keke, D, Petraki, I, Bellou, E, Tanagra, S, Kallianoti, K, Argyropoulou, D, Kondaki, K, Tsikrika, S, Karaiskos, C, Meirhaeghe, A, Hagströmer, M, Hurtig Wennlöf, A, Hallström, L, Patterson, E, Kwak, L, Wärnberg, J, Rizzo, N, Sánchez Molero, J, Picó, E, Navarro, M, Viadel, B, Carreres, Je, Merino, G, Sanjuán, R, Lorente, M, Sánchez, Mj, Thomas, S, Allchurch, E, Burgess, P, Astrom, A, Sverkén, A, Broberg, A, Masson, A, Lehoux, C, Brabant, P, Pate, P, Fontaine, L, Sebok, A, Kuti, T, Hegyi, A, Maldonado, C, Llorente, A, García, E, von Fircks, H, Hallberg, Ml, Messerer, M, Larsson, M, Fredriksson, H, Adamsson, V, Börjesson, I, Fernández, L, Smillie, L, Wills, J, Valtueña, J, Albers, U, Pedrero, R, Palacios, G, Meléndez, A, Benito, Pj, Gómez Lorente, Jj, Cañada, D, Urzanqui, A, Ortiz, Jc, Fuentes, F, Torres, Rm, and Navarro, P.
Subjects: Male, medicine.medical_specialty, Adolescent, Neutrophils, RJ, Lymphocyte, RJ101, chemical and pharmacologic phenomena, Basophil, CD16, Adolescents, Monocytes, Immunophenotyping, Leukocyte Count, Sex Factors, Reference Values, immune system diseases, Internal medicine, White blood cell, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, hemic and lymphatic diseases, Leukocytes, medicine, Humans, Cytotoxic T cell, Lymphocytes, Sexual Maturation, 10. No inequality, Body mass index, 2. Zero hunger, Immune cell, business.industry, Immune cells, Puberty, Age Factors, hemic and immune systems, Basophils, 3. Good health, Eosinophils, Endocrinology, medicine.anatomical_structure, Pediatrics, Perinatology and Child Health, Female, Sex, business, CD8, circulatory and respiratory physiology
Abstract: © 2015, Springer-Verlag Berlin Heidelberg. Percentiles 10th, 25th, 50th, 75th and 90th are presented for circulating white blood cells (WBC), neutrophils, lymphocytes, monocytes, eosinophils and basophils in healthy European adolescents (12.5–17.5 years, n = 405, 48.9 % boys), considering age, sex, puberty and body mass index (BMI). CD3+ (mature T cells), CD4+ (T helper), CD8+ (T cytotoxic), CD16+56+ (natural killer), CD19+ (B cells), CD3+CD45RA+, CD4+CD45RA+, CD8+CD45RA+ (naïve), CD3+CD45RO+, CD4+CD45RO+ and CD8+CD45RO+ (memory) lymphocytes were also analysed by immunophenotyping. Girls presented higher WBC, neutrophil, CD3+CD45RO+ and CD4+CD45RO+ cell counts and CD3+/CD19+ ratio, and lower CD3+CD45RA+ and CD4+CD45RA+ counts than boys. Age was associated with higher neutrophil counts and CD3+/CD19+, and lower CD19+ counts; in boys, with lower CD3+CD45RA+, CD4+CD45RA+ and CD8+CD45RA+ counts as well; in girls, with higher WBC, CD3+CD45RO+ and CD4+CD45RO+ counts. Pubertal maturation in boys was associated with lower WBC and lymphocyte counts; in girls, with higher basophil, CD3+CD45RO+ and CD4+CD45RO+ values. BMI was associated with higher WBC counts; in boys, also with higher lymphocyte counts; in girls, with higher neutrophil, CD4+, CD3+CD45RO+ and CD4+CD45RO+ counts. Conclusion: Our study provides normative values for circulating immune cells in adolescents, highlighting the importance of considering sex, age, pubertal maturation and BMI when establishing reference ranges for WBC in paediatric populations., As well as the financial support of the European Community 6th RTD Framework Programme (contract FOOD-CT-2005-007034)
Published: 2015

4. Is dairy consumption associated with low cardiovascular disease risk in European adolescents? Results from the HELENA Study

Author: Bel Serrat, S, Mouratidou, T., Jiménez Pavón, D., Huybrechts, I., Cuenca García, M., Mistura, L., Gottrand, F., González Gross, M., Dallongeville, J., Kafatos, A., Manios, Y., Stehle, P., Kersting, M., De Henauw, S., Castillo, M. J., Hallstrom, L., Molnár, D., Widhalm, K., Marcos, A., Moreno, L. A., Moreno LA, Gottrand F, De Henauw S, González Gross M, Gilbert C, Kafatos A, Libersa C, Sánchez J, Kersting M, Sjöstrom M, Molnár D, Dallongeville J, Hall G, Maes L, Scalfi L, Meléndez P, Fleta J, Casajús JA, Rodríguez G, Tomás C, Mesana MI, Vicente Rodríguez G, Villarroya A, Gil CM, Ara I, Revenga J, Lachen C, Fernández Alvira J, Bueno G, Lázaro A, Bueno O, León JF, Garagorri JM, Bueno M, Rey López JP, Iglesia I, Velasco P, Bel Serrat S, Gracia Marco L, Mouratidou T, Jiménez Pavón D, Marcos A, Wärnberg J, Nova E, Gómez S, Ligia Díaz E, Romeo J, Veses A, Angeles Puertollano M, Zapatera B, Pozo T, Beghin L, Iliescu C, Von Berlepsch J, Sichert Hellert W, Koeppen E, Molnar D, Erhardt E, Csernus K, Török K, Bokor S, Kovács O, Répasi J, Kafatos, Codrington C, Plada M, Papadaki A, Sarri K, Viskadourou A, Hatzis C, Kiriakakis M, Tsibinos G, Vardavas C, Sbokos M, Protoyeraki E, Fasoulaki M, Stehle P, Pietrzik K, Breidenassel C, Spinneker A, Al Tahan J, Segoviano M, Berchtold A, Bierschbach C, Blatzheim E, Schuch A, Pickert P, Castillo MJ, Gutiérrez A, Ortega FB, Ruiz JR, Artero EG, España V, Chillón P, Sánchez Muñoz C, Cuenca M, Arcella D, Azzini E, Barrison E, Bevilacqua N, Buonocore P, Catasta G, Censi L, Ciarapica D, D'Acapito P, Ferrari M, Galfo M, Le Donne C, Leclercq C, Maiani G, Mauro B, Mistura L, Pasquali A, Piccinelli R, Polito A, Spada R, Sette S, Zaccaria M, Montagnese C, De Bourdeaudhuij I, De Vriendt T, Matthys C, Vereecken C, de Maeyer M, Ottevaere C, Huybrechts I, Widhalm K, Phillipp K, Dietrich S, Kubelka B, Boriss Riedl M, Manios Y, Grammatikaki E, Bouloubasi Z, Cook TL, Eleutheriou S, Consta O, Moschonis G, Katsaroli I, Kraniou G, Papoutsou S, Keke D, Petraki I, Bellou E, Tanagra S, Kallianoti K, Argyropoulou D, Kondaki K, Tsikrika S, Karaiskos C, Meirhaeghe A, Sjöström M, Ruiz J, Hagströmer M, Hallström L, Patterson E, Kwak L, Rizzo N, Hurtig Wennlöf A, Sánchez Molero J, Picó E, Navarro M, Viadel B, Carreres JE, Merino G, Sanjuán R, Lorente M, Sánchez MJ, Castelló S, Thomas S, Allchurch E, Burguess P, Astrom A, Sverkén A, Broberg A, Masson A, Lehoux C, Brabant P, Pate P, Fontaine L, Sebok A, Kuti T, Hegyi A, Maldonado C, Llorente A, García E, von Fircks H, Hallberg M, Messerer M, Larsson M, Fredriksson H, Adamsson V, Börjesson I, Fernández L, Smillie L, Wills J, Valtueña J, Albers U, Pedrero R, Meléndez A, Benito PJ, Cañada D, Urzanqui A, Ortiz JC, Fuentes F, Gómez Lorente JJ, Mardía Torres R, Navarro P., VITAGLIONE, PAOLA, Bel Serrat, S, Mouratidou, T., Jiménez Pavón, D., Huybrechts, I., Cuenca García, M., Mistura, L., Gottrand, F., González Gross, M., Dallongeville, J., Kafatos, A., Manios, Y., Stehle, P., Kersting, M., De Henauw, S., Castillo, M. J., Hallstrom, L., Molnár, D., Widhalm, K., Marcos, A., Moreno, L. A., Moreno, La, Gottrand, F, De Henauw, S, González Gross, M, Gilbert, C, Kafatos, A, Libersa, C, Sánchez, J, Kersting, M, Sjöstrom, M, Molnár, D, Dallongeville, J, Hall, G, Maes, L, Scalfi, L, Meléndez, P, Fleta, J, Casajús, Ja, Rodríguez, G, Tomás, C, Mesana, Mi, Vicente Rodríguez, G, Villarroya, A, Gil, Cm, Ara, I, Revenga, J, Lachen, C, Fernández Alvira, J, Bueno, G, Lázaro, A, Bueno, O, León, Jf, Garagorri, Jm, Bueno, M, Rey López, Jp, Iglesia, I, Velasco, P, Gracia Marco, L, Mouratidou, T, Jiménez Pavón, D, Marcos, A, Wärnberg, J, Nova, E, Gómez, S, Ligia Díaz, E, Romeo, J, Veses, A, Angeles Puertollano, M, Zapatera, B, Pozo, T, Beghin, L, Iliescu, C, Von Berlepsch, J, Sichert Hellert, W, Koeppen, E, Molnar, D, Erhardt, E, Csernus, K, Török, K, Bokor, S, Kovács, O, Répasi, J, Kafatos, Codrington, C, Plada, M, Papadaki, A, Sarri, K, Viskadourou, A, Hatzis, C, Kiriakakis, M, Tsibinos, G, Vardavas, C, Sbokos, M, Protoyeraki, E, Fasoulaki, M, Stehle, P, Pietrzik, K, Breidenassel, C, Spinneker, A, Al Tahan, J, Segoviano, M, Berchtold, A, Bierschbach, C, Blatzheim, E, Schuch, A, Pickert, P, Castillo, Mj, Gutiérrez, A, Ortega, Fb, Ruiz, Jr, Artero, Eg, España, V, Chillón, P, Sánchez Muñoz, C, Cuenca, M, Arcella, D, Azzini, E, Barrison, E, Bevilacqua, N, Buonocore, P, Catasta, G, Censi, L, Ciarapica, D, D'Acapito, P, Ferrari, M, Galfo, M, Le Donne, C, Leclercq, C, Maiani, G, Mauro, B, Mistura, L, Pasquali, A, Piccinelli, R, Polito, A, Spada, R, Sette, S, Zaccaria, M, Vitaglione, Paola, Montagnese, C, De Bourdeaudhuij, I, De Vriendt, T, Matthys, C, Vereecken, C, de Maeyer, M, Ottevaere, C, Huybrechts, I, Widhalm, K, Phillipp, K, Dietrich, S, Kubelka, B, Boriss Riedl, M, Manios, Y, Grammatikaki, E, Bouloubasi, Z, Cook, Tl, Eleutheriou, S, Consta, O, Moschonis, G, Katsaroli, I, Kraniou, G, Papoutsou, S, Keke, D, Petraki, I, Bellou, E, Tanagra, S, Kallianoti, K, Argyropoulou, D, Kondaki, K, Tsikrika, S, Karaiskos, C, Meirhaeghe, A, Sjöström, M, Ruiz, J, Hagströmer, M, Hallström, L, Patterson, E, Kwak, L, Rizzo, N, Hurtig Wennlöf, A, Sánchez Molero, J, Picó, E, Navarro, M, Viadel, B, Carreres, Je, Merino, G, Sanjuán, R, Lorente, M, Sánchez, Mj, Castelló, S, Thomas, S, Allchurch, E, Burguess, P, Astrom, A, Sverkén, A, Broberg, A, Masson, A, Lehoux, C, Brabant, P, Pate, P, Fontaine, L, Sebok, A, Kuti, T, Hegyi, A, Maldonado, C, Llorente, A, García, E, von Fircks, H, Hallberg, M, Messerer, M, Larsson, M, Fredriksson, H, Adamsson, V, Börjesson, I, Fernández, L, Smillie, L, Wills, J, Valtueña, J, Albers, U, Pedrero, R, Meléndez, A, Benito, Pj, Cañada, D, Urzanqui, A, Ortiz, Jc, Fuentes, F, Gómez Lorente, Jj, Mardía Torres, R, and Navarro, P.
Subjects: Cross-Sectional Studie, Male, Adolescent, Health Policy, Medicine (all), Cholesterol, HDL, Public Health, Environmental and Occupational Health, Nutrition Survey, Lipid, Cardiovascular disease risk, Triglyceride, Body Mass Index, Dairy, Europe, Body fat, Cardiovascular Disease, Food Habit, Pediatrics, Perinatology and Child Health, Nutrition and Dietetic, Female, Insulin Resistance, Waist Circumference, Dairy Product, Adiposity, Human
Published: 2014

5. Vitamin D status among adolescents in Europe: the Healthy Lifestyle in Europe by Nutrition in Adolescence study

Author: González Gross, Marcela, Valtueña, Jara, Breidenassel, Christina, Moreno, Luis A., Ferrari, Marika, Kersting, Matilde, De Henauw, Stefaan, Gottrand, Frederic, Azzini, Elena, Widhalm, Kurt, Kafatos, Anthony, Manios, Yannis, Stehle, Peter, Moreno LA, Gottrand F, De Henauw S, González Gross M, Gilbert C, Kafatos A, Libersa C, Sáchez J, Kesting M, Sjostrom M, Molnár D, Dallongeville J, Hall G, Maes L, Scalfi L, Meléndez P, Fleta J, Casajús JA, Rodríguez G, Tomás C, Mesana MI, Vicente Rodríguez G, Villarroya A, Gil CM, Ara I, Revenga J, Lachen C, Fernández Alvira J, Bueno G, Lázaro A, Bueno O, León JF, Ma Garagorri J, Bueno M, Rey López JP, Iglesia I, Velasco P, Bel S, Marcos A, Wärnberg J, Nova E, Gómez S, Ligia Díaz E, Romeo J, Veses A, Angeles Puertollano M, Zapatera B, Pozo T, Beghin L, Iliescu C, Von Berlepsch J, Kersting M, Sichert Hellert W, Koeppen E, Molnar D, Erhardt E, Csernus K, Török K, Bokor S, Angster M, Nagy E, Kovács O, Repásy J, Codrington C, Plada M, Papadaki A, Sarri K, Viskadourou A, Hatzis C, Kiriakakis M, Tsibinos G, Manolis Sbokos CV, Protoyeraki E, Fasoulaki M, Stehle P, Pietrzik K, Breidenassel C, Spinneker A, Al Tahan J, Segoviano M, Berchtold A, Bierschbach C, Blatzheim E, Schuch A, Pickert P, Castillo MJ, Gutiérrez Á, Ortega FB, Ruiz JR, Artero EG, España Romero V, Jiménez Pavón D, Chillón P, Arcella D, Azzini E, Barrison E, Bevilacqua N, Buonocore P, Catasta G, Censi L, Ciarapica D, D'Acapito P, Ferrari M, Galfo M, Le Donne C, Leclercq C, Maiani G, Mauro B, Mistura L, Pasquali A, Piccinelli R, Polito A, Spada R, Sette S, Zaccaria M, Montagnese C, De Bourdeaudhuij I, Huybrechts I, De Vriendt T, Matthys C, Vereecken C, de Maeyer M, Ottevaere C, Widhalm K, Phillipp K, Dietrich S, Boriss Riedl BK, Manios Y, Grammatikaki E, Bouloubasi Z, Cook TL, Eleutheriou S, Consta O, Moschonis G, Katsaroli I, Kraniou G, Papoutsou S, Keke D, Petraki I, Bellou E, Tanagra S, Kallianoti K, Argyropoulou D, Kondaki K, Tsikrika S, Karaiskos C, Meirhaeghe A, Sjöstrom M, Bergman P, Hagströmer M, Hallström L, Hallberg M, Poortvliet E, Rizzo N, Beckman L, Wennlöf AH, Patterson E, Kwak L, Cernerud L, Tillgren P, Sörensen S, Sánchez Molero J, Picó E, Navarro M, Viadel B, Enrique Carreres J, Merino G, Sanjuán R, Lorente M, Sánchez MJ, Castelló S, Thomas S, Allchurch E, Burguess P, Astrom A, Sverkén A, Broberg A, Masson A, Lehoux C, Brabant P, Pate P, Fontaine L, Sebok A, Kuti T, Hegyi A, Maldonado C, Llorente A, García E, von Fircks H, Hallberg ML, Messerer M, Larsson M, Fredriksson H, Adamsson V, Börjesson I, Fernández L, Smillie L, Wills J, Valtueña J, Albers U, Pedrero R, Meléndez A, Benito PJ, Gómez Lorente JJ, Cañada D, Urzanqui A, Ortiz JC, Fuentes F, Torres RM, Paloma Navarro T., VITAGLIONE, PAOLA, González Gross, Marcela, Valtueña, Jara, Breidenassel, Christina, Moreno, Luis A., Ferrari, Marika, Kersting, Matilde, De Henauw, Stefaan, Gottrand, Frederic, Azzini, Elena, Widhalm, Kurt, Kafatos, Anthony, Manios, Yanni, Stehle, Peter, Moreno, La, Gottrand, F, De Henauw, S, González Gross, M, Gilbert, C, Kafatos, A, Libersa, C, Sáchez, J, Kesting, M, Sjostrom, M, Molnár, D, Dallongeville, J, Hall, G, Maes, L, Scalfi, L, Meléndez, P, Fleta, J, Casajús, Ja, Rodríguez, G, Tomás, C, Mesana, Mi, Vicente Rodríguez, G, Villarroya, A, Gil, Cm, Ara, I, Revenga, J, Lachen, C, Fernández Alvira, J, Bueno, G, Lázaro, A, Bueno, O, León, Jf, Ma Garagorri, J, Bueno, M, Rey López, Jp, Iglesia, I, Velasco, P, Bel, S, Marcos, A, Wärnberg, J, Nova, E, Gómez, S, Ligia Díaz, E, Romeo, J, Veses, A, Angeles Puertollano, M, Zapatera, B, Pozo, T, Beghin, L, Iliescu, C, Von Berlepsch, J, Kersting, M, Sichert Hellert, W, Koeppen, E, Molnar, D, Erhardt, E, Csernus, K, Török, K, Bokor, S, Angster, M, Nagy, E, Kovács, O, Repásy, J, Codrington, C, Plada, M, Papadaki, A, Sarri, K, Viskadourou, A, Hatzis, C, Kiriakakis, M, Tsibinos, G, Manolis Sbokos, Cv, Protoyeraki, E, Fasoulaki, M, Stehle, P, Pietrzik, K, Breidenassel, C, Spinneker, A, Al Tahan, J, Segoviano, M, Berchtold, A, Bierschbach, C, Blatzheim, E, Schuch, A, Pickert, P, Castillo, Mj, Gutiérrez, Á, Ortega, Fb, Ruiz, Jr, Artero, Eg, España Romero, V, Jiménez Pavón, D, Chillón, P, Arcella, D, Azzini, E, Barrison, E, Bevilacqua, N, Buonocore, P, Catasta, G, Censi, L, Ciarapica, D, D'Acapito, P, Ferrari, M, Galfo, M, Le Donne, C, Leclercq, C, Maiani, G, Mauro, B, Mistura, L, Pasquali, A, Piccinelli, R, Polito, A, Spada, R, Sette, S, Zaccaria, M, Vitaglione, Paola, Montagnese, C, De Bourdeaudhuij, I, Huybrechts, I, De Vriendt, T, Matthys, C, Vereecken, C, de Maeyer, M, Ottevaere, C, Widhalm, K, Phillipp, K, Dietrich, S, Boriss Riedl, Bk, Manios, Y, Grammatikaki, E, Bouloubasi, Z, Cook, Tl, Eleutheriou, S, Consta, O, Moschonis, G, Katsaroli, I, Kraniou, G, Papoutsou, S, Keke, D, Petraki, I, Bellou, E, Tanagra, S, Kallianoti, K, Argyropoulou, D, Kondaki, K, Tsikrika, S, Karaiskos, C, Meirhaeghe, A, Sjöstrom, M, Bergman, P, Hagströmer, M, Hallström, L, Hallberg, M, Poortvliet, E, Rizzo, N, Beckman, L, Wennlöf, Ah, Patterson, E, Kwak, L, Cernerud, L, Tillgren, P, Sörensen, S, Sánchez Molero, J, Picó, E, Navarro, M, Viadel, B, Enrique Carreres, J, Merino, G, Sanjuán, R, Lorente, M, Sánchez, Mj, Castelló, S, Thomas, S, Allchurch, E, Burguess, P, Astrom, A, Sverkén, A, Broberg, A, Masson, A, Lehoux, C, Brabant, P, Pate, P, Fontaine, L, Sebok, A, Kuti, T, Hegyi, A, Maldonado, C, Llorente, A, García, E, von Fircks, H, Hallberg, Ml, Messerer, M, Larsson, M, Fredriksson, H, Adamsson, V, Börjesson, I, Fernández, L, Smillie, L, Wills, J, Valtueña, J, Albers, U, Pedrero, R, Meléndez, A, Benito, Pj, Gómez Lorente, Jj, Cañada, D, Urzanqui, A, Ortiz, Jc, Fuentes, F, Torres, Rm, and Paloma Navarro, T.
Subjects: Male, Pediatrics, medicine.medical_specialty, Percentile, Adolescent, Cross-sectional study, Population, Medicine (miscellaneous), Sex Factor, Severity of Illness Index, vitamin D deficiency, Body Mass Index, chemistry.chemical_compound, Sex Factors, Vitamin D and neurology, medicine, Prevalence, Humans, Age Factor, Obesity, Vitamin D, education, Child, Calcifediol, Cross-Sectional Studie, education.field_of_study, Nutrition and Dietetics, business.industry, Prevention, Age Factors, Urban Health, Nutrition Survey, Adolescent Development, medicine.disease, Nutrition Surveys, Vitamin D Deficiency, Europe, Cross-Sectional Studies, chemistry, Female, business, Body mass index, Demography, Human
Abstract: An adequate vitamin D status is essential during childhood and adolescence, for its important role in cell growth, skeletal structure and development. It also reduces the risk of conditions such as CVD, osteoporosis, diabetes mellitus, infections and autoimmune disease. As comparable data on the European level are lacking, assessment of vitamin D concentrations was included in the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) study. Fasting blood samples were obtained from a subsample of 1006 adolescents (470 males; 46·8 %) with an age range of 12·5–17·5 years, selected in the ten HELENA cities in the nine European countries participating in this cross-sectional study, and analysed for 25-hydroxycholecalciferol (25(OH)D) by ELISA using EDTA plasma. As specific reference values for adolescents are missing, percentile distribution were computed by age and sex. Median 25(OH)D levels for the whole population were 57·1 nmol/l (5th percentile 24·3 nmol/l, 95th percentile 99·05 nmol/l). Vitamin D status was classified into four groups according to international guidelines (sufficiency/optimal levels ≥ 75 nmol/l; insufficiency 50–75 nmol/l; deficiency 27·5–49·99 nmol/l and severe deficiency P
Published: 2011

6. Reliability and validity of a screen time-based sedentary behaviour questionnaire for adolescents: The HELENA study

Author: Rey López, Juan P., Ruiz, Jonatan R., Ortega, Francisco B., Verloigne, Maite, Vicente Rodriguez, German, Gracia Marco, Luis, Gottrand, Frederic, Molnar, Denes, Widhalm, Kurt, Zaccaria, Maria, Cuenca García, Magdalena, Sjöström, Michael, De Bourdeaudhuij, Ilse, Moreno, Luis A., Moreno LA, Gottrand F, De Henauw S, González Gross M, Gilbert C, Kafatos A, Libersa C, Sánchez J, Kersting M, Sjöstrom M, Molnár D, Dallongeville J, Hall G, Maes L, Scalfi L, Meléndez P, Fleta J, Casajús JA, Rodríguez G, Tomás C, Mesana MI, Vicente Rodríguez G, Villarroya A, Gil CM, Ara I, Revenga J, Lachen C, Fernández Alvira J, Bueno G, Lázaro A, Bueno O, León JF, Garagorri JM, Bueno M, Rey López JP, Iglesia I, Velasco P, Bel S, Gracia Marco L, Mouratidou T, Marcos A, Wärnberg J, Nova E, Gómez S, Ligia Díaz E, Romeo J, Veses A, Angeles Puertollano M, Zapatera B, Pozo T, Beghin L, Iliescu C, Von Berlepsch J, Sichert Hellert W, Koeppen E, Molnar D, Erhardt E, Csernus K, Török K, Bokor S, Angster, Nagy E, Kovács O, Répasi J, Codrington C, Plada M, Papadaki A, Sarri K, Viskadourou A, Hatzis C, Kiriakakis M, Tsibinos G, Vardavas C, Sbokos M, Protoyeraki E, Fasoulaki M, Stehle P, Pietrzik K, Breidenassel C, Spinneker A, Al Tahan J, Segoviano M, Berchtold A, Bierschbach C, Blatzheim E, Schuch A, Pickert P, Castillo MJ, Gutiérrez A, Ortega FB, Ruiz JR, Artero EG, España V, Jiménez Pavón D, Chillón P, Sánchez Muñoz C, Cuenca M, Arcella D, Azzini E, Barrison E, Bevilacqua N, Buonocore P, Catasta G, Censi L, Ciarapica D, D'Acapito P, Ferrari M, Galfo M, Le Donne C, Leclercq C, Maiani G, Mauro B, Mistura L, Pasquali A, Piccinelli R, Polito A, Spada R, Sette S, Zaccaria M, Montagnese C, De Bourdeaudhuij I, De Vriendt T, Matthys C, Vereecken C, de Maeyer M, Ottevaere C, Huybrechts I, Widhalm K, Phillipp K, Dietrich S, Kubelka B, Boriss Riedl M, Manios Y, Grammatikaki E, Bouloubasi Z, Louisa Cook T, Eleutheriou S, Consta O, Moschonis G, Katsaroli I, Kraniou G, Papoutsou S, Keke D, Petraki I, Bellou E, Tanagra S, Kallianoti K, Argyropoulou D, Kondaki K, Tsikrika S, Karaiskos C, Meirhaeghe A, Sjöström M, Ruiz J, Hagströmer M, Hallström L, Patterson E, Kwak L, Rizzo N, Hurtig Wennlöf A, Sánchez Molero J, Picó E, Navarro M, Viadel B, Carreres JE, Merino G, Sanjuán R, Lorente M, Sánchez MJ, Castelló S, Thomas S, Allchurch E, Burguess P, Astrom A, Sverkén A, Broberg A, Masson A, Lehoux C, Brabant P, Pate P, Fontaine L, Sebok A, Kuti T, Hegyi A, Maldonado C, Llorente A, García E, von Fircks H, Lilja Hallberg M, Messerer M, Larsson M, Fredriksson H, Adamsson V, Börjesson I, Fernández L, Smillie L, Wills J, Meléndez A, Benito PJ, Calderón J, Valtueña J, Navarro P, Urzanqui A, Albers U, Pedrero R, Gómez Lorente J.J., VITAGLIONE, PAOLA, Rey López, Juan P., Ruiz, Jonatan R., Ortega, Francisco B., Verloigne, Maite, Vicente Rodriguez, German, Gracia Marco, Lui, Gottrand, Frederic, Molnar, Dene, Widhalm, Kurt, Zaccaria, Maria, Cuenca García, Magdalena, Sjöström, Michael, De Bourdeaudhuij, Ilse, Moreno, Luis A., Moreno, La, Gottrand, F, De Henauw, S, González Gross, M, Gilbert, C, Kafatos, A, Libersa, C, Sánchez, J, Kersting, M, Sjöstrom, M, Molnár, D, Dallongeville, J, Hall, G, Maes, L, Scalfi, L, Meléndez, P, Fleta, J, Casajús, Ja, Rodríguez, G, Tomás, C, Mesana, Mi, Vicente Rodríguez, G, Villarroya, A, Gil, Cm, Ara, I, Revenga, J, Lachen, C, Fernández Alvira, J, Bueno, G, Lázaro, A, Bueno, O, León, Jf, Garagorri, Jm, Bueno, M, Rey López, Jp, Iglesia, I, Velasco, P, Bel, S, Gracia Marco, L, Mouratidou, T, Marcos, A, Wärnberg, J, Nova, E, Gómez, S, Ligia Díaz, E, Romeo, J, Veses, A, Angeles Puertollano, M, Zapatera, B, Pozo, T, Beghin, L, Iliescu, C, Von Berlepsch, J, Sichert Hellert, W, Koeppen, E, Molnar, D, Erhardt, E, Csernus, K, Török, K, Bokor, S, Angster, Nagy, E, Kovács, O, Répasi, J, Codrington, C, Plada, M, Papadaki, A, Sarri, K, Viskadourou, A, Hatzis, C, Kiriakakis, M, Tsibinos, G, Vardavas, C, Sbokos, M, Protoyeraki, E, Fasoulaki, M, Stehle, P, Pietrzik, K, Breidenassel, C, Spinneker, A, Al Tahan, J, Segoviano, M, Berchtold, A, Bierschbach, C, Blatzheim, E, Schuch, A, Pickert, P, Castillo, Mj, Gutiérrez, A, Ortega, Fb, Ruiz, Jr, Artero, Eg, España, V, Jiménez Pavón, D, Chillón, P, Sánchez Muñoz, C, Cuenca, M, Arcella, D, Azzini, E, Barrison, E, Bevilacqua, N, Buonocore, P, Catasta, G, Censi, L, Ciarapica, D, D'Acapito, P, Ferrari, M, Galfo, M, Le Donne, C, Leclercq, C, Maiani, G, Mauro, B, Mistura, L, Pasquali, A, Piccinelli, R, Polito, A, Spada, R, Sette, S, Zaccaria, M, Vitaglione, Paola, Montagnese, C, De Bourdeaudhuij, I, De Vriendt, T, Matthys, C, Vereecken, C, de Maeyer, M, Ottevaere, C, Huybrechts, I, Widhalm, K, Phillipp, K, Dietrich, S, Kubelka, B, Boriss Riedl, M, Manios, Y, Grammatikaki, E, Bouloubasi, Z, Louisa Cook, T, Eleutheriou, S, Consta, O, Moschonis, G, Katsaroli, I, Kraniou, G, Papoutsou, S, Keke, D, Petraki, I, Bellou, E, Tanagra, S, Kallianoti, K, Argyropoulou, D, Kondaki, K, Tsikrika, S, Karaiskos, C, Meirhaeghe, A, Sjöström, M, Ruiz, J, Hagströmer, M, Hallström, L, Patterson, E, Kwak, L, Rizzo, N, Hurtig Wennlöf, A, Sánchez Molero, J, Picó, E, Navarro, M, Viadel, B, Carreres, Je, Merino, G, Sanjuán, R, Lorente, M, Sánchez, Mj, Castelló, S, Thomas, S, Allchurch, E, Burguess, P, Astrom, A, Sverkén, A, Broberg, A, Masson, A, Lehoux, C, Brabant, P, Pate, P, Fontaine, L, Sebok, A, Kuti, T, Hegyi, A, Maldonado, C, Llorente, A, García, E, von Fircks, H, Lilja Hallberg, M, Messerer, M, Larsson, M, Fredriksson, H, Adamsson, V, Börjesson, I, Fernández, L, Smillie, L, Wills, J, Meléndez, A, Benito, Pj, Calderón, J, Valtueña, J, Navarro, P, Urzanqui, A, Albers, U, Pedrero, R, and Gómez Lorente, J. J.
Subjects: Gerontology, Male, medicine.medical_specialty, Validation study, Television viewing, Time Factors, Time Factor, Adolescent, Health Behavior, Reproducibility of Result, Screen time, Computer, Reliability study, Surveys and Questionnaires, Epidemiology, medicine, Surveys and Questionnaire, Humans, Exercise, Life Style, Reliability (statistics), Sedentary time, Internet, Computers, Public Health, Environmental and Occupational Health, Reproducibility of Results, Health Survey, Health Surveys, Physical therapy, Female, Television, Health behavior, Psychology, Human
Abstract: Background: Although there is a growing interest in the epidemiology of sedentary behaviours, it is unknown whether sedentary behaviour questionnaires are broad markers of sedentary time. The aims of this study were to determine the: (i) reliability of the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) screen time-based sedentary behaviour questionnaire; and (ii) its validity, i.e. the ability of the questionnaire to correctly rank adolescents according to the objectively measured sedentary time. Methods: A total of 183 adolescents (104 females aged 12.5–17.5 years) were involved in the reliability study. Participants completed the HELENA sedentary questionnaire twice (1 week apart). The validity study comprised 2048 (1212 females) adolescents (12.5–17.5 years of age) included in the HELENA cross-sectional study. Questions included television viewing, computer games, console games, Internet for study and non-study reasons and study during week and weekend days. We compared median values of sedentary time, using accelerometers, by tertiles of self-reported sedentary behaviours and their sum (composite sedentary score). Results: Reliability study: κ-values showed a good agreement (>0.7), except for Internet for study reasons (0.46 weekdays, 0.33 weekend). The questionnaire correctly classified boys’ sedentary time when analysed by specific behaviours and by a composite sedentary score. In girls, median values of objectively measured sedentary time were not different across tertiles of self-reported sedentary behaviours or the composite sedentary score. Conclusion: The HELENA sedentary questionnaire is reliable, yet only correctly classifies objectively measured sedentary time in boys.
Published: 2011

7. Excessive sedentary time and low cardiorespiratory fitness in European adolescents: the HELENA study

Author: Martinez Gomez, David, Ortega, Francisco B., Ruiz, Jonatan R., Vicente Rodriguez, Germán, Veiga, Oscar L., Widhalm, Kurt, Manios, Yannis, Béghin, Laurent, Valtueña, Jara, Kafatos, Anthony, Molnar, Denes, Moreno, Luis A., Marcos, Ascension, Castillo, Manuel J., Sjöström, Michael, Moreno LA, Gottrand F, De Henauw S, González Gross M, Gilbert C, Kafatos A, Libersa C, Sánchez J, Kersting M, Sjöstrom M, Molnár D, Dallongeville J, Hall G, Maes L, Scalfi L, Meléndez P, Fleta J, Casajús JA, Rodríguez G, Tomás C, Mesana MI, Vicente Rodríguez G, Villarroya A, Gil CM, Ara I, Revenga J, Lachen C, Fernández Alvira J, Bueno G, Lázaro A, Bueno O, León JF, Garagorri JM, Bueno M, Rey López JP, Iglesia I, Velasco P, Bel S, Marcos A, Wärnberg J, Nova E, Gómez S, Díaz EL, Romeo J, Veses A, Angeles Puertollano M, Zapatera B, Pozo T, Martinez Gomez D, Beghin L, Iliescu C, Von Berlepsch J, Sichert Hellert W, Koeppen E, Molnar D, Erhardt E, Csernus K, Török K, Bokor S, Angster, Nagy E, Kovács O, Répasi J, Codrington C, Plada M, Papadaki A, Sarri K, Viskadourou A, Hatzis C, Kiriakakis M, Tsibinos G, Vardavas C, Sbokos M, Protoyeraki E, Fasoulaki M, Stehle P, Pietrzik K, Breidenassel C, Spinneker A, Al Tahan J, Segoviano M, Berchtold A, Bierschbach C, Blatzheim E, Schuch A, Pickert P, Castillo Garzón MJ, Gutiérrez Sáinz Á, Ortega Porcel FB, Ruiz Ruiz J, García Artero E, España Romero V, Jiménez Pavón D, Sánchez Muñoz C, Soto V, Chillón P, Heredia JM, Aparicio V, Baena P, Cardia CM, Carbonell A, Arcella D, Catasta G, Censi L, Ciarapica D, Ferrari M, Le Donne C, Leclerq C, Magrì L, Maiani G, Piccinelli R, Polito A, Spada R, Toti E, Montagnese C, De Bourdeaudhuij I, De Vriendt T, Matthys C, Vereecken C, de Maeyer M, Ottevaere C, Huybrechts I, Widhalm K, Dietrich S, Manios Y, Grammatikaki E, Bouloubasi Z, Cook TL, Eleutheriou S, Consta O, Moschonis G, Katsaroli I, Kraniou G, Papoutsou S, Keke D, Petraki I, Bellou E, Tanagra S, Kallianoti K, Argyropoulou D, Kondaki K, Tsikrika S, Karaiskos C, Meirhaeghe A, Bergman P, Hagströmer M, Hallström L, Hallberg M, Poortvliet E, Rizzo N, Beckman L, Wennlöf AH, Patterson E, Kwak L, Cernerud L, Tillgren P, Sörensen S, Sánchez Molero J, Picó E, Navarro M, Viadel B, Carreres JE, Merino G, Sanjuán R, Lorente M, Sánchez MJ, Castelló S, Thomas S, Allchurch E, Burguess P, Astrom A, Sverkén A, Broberg A, Masson A, Lehoux C, Brabant P, Pate P, Fontaine L, Sebok A, Kuti T, Hegyi A, Maldonado C, Llorente A, García E, von Fircks H, Hallberg ML, Messerer M, Larsson M, Fredriksson H, Adamsson V, Börjesson I, Fernández L, Smillie L, Wills J, Meléndez A, Benito PJ, Calderón J, Valtueña J, Navarro P, Urzanqui A, Albers U, Pedrero R, Gómez Lorente J.J., VITAGLIONE, PAOLA, Martinez Gomez, David, Ortega, Francisco B., Ruiz, Jonatan R., Vicente Rodriguez, Germán, Veiga, Oscar L., Widhalm, Kurt, Manios, Yanni, Béghin, Laurent, Valtueña, Jara, Kafatos, Anthony, Molnar, Dene, Moreno, Luis A., Marcos, Ascension, Castillo, Manuel J., Sjöström, Michael, Moreno, La, Gottrand, F, De Henauw, S, González Gross, M, Gilbert, C, Kafatos, A, Libersa, C, Sánchez, J, Kersting, M, Sjöstrom, M, Molnár, D, Dallongeville, J, Hall, G, Maes, L, Scalfi, L, Meléndez, P, Fleta, J, Casajús, Ja, Rodríguez, G, Tomás, C, Mesana, Mi, Vicente Rodríguez, G, Villarroya, A, Gil, Cm, Ara, I, Revenga, J, Lachen, C, Fernández Alvira, J, Bueno, G, Lázaro, A, Bueno, O, León, Jf, Garagorri, Jm, Bueno, M, Rey López, Jp, Iglesia, I, Velasco, P, Bel, S, Marcos, A, Wärnberg, J, Nova, E, Gómez, S, Díaz, El, Romeo, J, Veses, A, Angeles Puertollano, M, Zapatera, B, Pozo, T, Martinez Gomez, D, Beghin, L, Iliescu, C, Von Berlepsch, J, Sichert Hellert, W, Koeppen, E, Molnar, D, Erhardt, E, Csernus, K, Török, K, Bokor, S, Angster, Nagy, E, Kovács, O, Répasi, J, Codrington, C, Plada, M, Papadaki, A, Sarri, K, Viskadourou, A, Hatzis, C, Kiriakakis, M, Tsibinos, G, Vardavas, C, Sbokos, M, Protoyeraki, E, Fasoulaki, M, Stehle, P, Pietrzik, K, Breidenassel, C, Spinneker, A, Al Tahan, J, Segoviano, M, Berchtold, A, Bierschbach, C, Blatzheim, E, Schuch, A, Pickert, P, Castillo Garzón, Mj, Gutiérrez Sáinz, Á, Ortega Porcel, Fb, Ruiz Ruiz, J, García Artero, E, España Romero, V, Jiménez Pavón, D, Sánchez Muñoz, C, Soto, V, Chillón, P, Heredia, Jm, Aparicio, V, Baena, P, Cardia, Cm, Carbonell, A, Arcella, D, Catasta, G, Censi, L, Ciarapica, D, Ferrari, M, Le Donne, C, Leclerq, C, Magrì, L, Maiani, G, Piccinelli, R, Polito, A, Spada, R, Toti, E, Vitaglione, Paola, Montagnese, C, De Bourdeaudhuij, I, De Vriendt, T, Matthys, C, Vereecken, C, de Maeyer, M, Ottevaere, C, Huybrechts, I, Widhalm, K, Dietrich, S, Manios, Y, Grammatikaki, E, Bouloubasi, Z, Cook, Tl, Eleutheriou, S, Consta, O, Moschonis, G, Katsaroli, I, Kraniou, G, Papoutsou, S, Keke, D, Petraki, I, Bellou, E, Tanagra, S, Kallianoti, K, Argyropoulou, D, Kondaki, K, Tsikrika, S, Karaiskos, C, Meirhaeghe, A, Bergman, P, Hagströmer, M, Hallström, L, Hallberg, M, Poortvliet, E, Rizzo, N, Beckman, L, Wennlöf, Ah, Patterson, E, Kwak, L, Cernerud, L, Tillgren, P, Sörensen, S, Sánchez Molero, J, Picó, E, Navarro, M, Viadel, B, Carreres, Je, Merino, G, Sanjuán, R, Lorente, M, Sánchez, Mj, Castelló, S, Thomas, S, Allchurch, E, Burguess, P, Astrom, A, Sverkén, A, Broberg, A, Masson, A, Lehoux, C, Brabant, P, Pate, P, Fontaine, L, Sebok, A, Kuti, T, Hegyi, A, Maldonado, C, Llorente, A, García, E, von Fircks, H, Hallberg, Ml, Messerer, M, Larsson, M, Fredriksson, H, Adamsson, V, Börjesson, I, Fernández, L, Smillie, L, Wills, J, Meléndez, A, Benito, Pj, Calderón, J, Valtueña, J, Navarro, P, Urzanqui, A, Albers, U, Pedrero, R, and Gómez Lorente, J. J.
Subjects: Male, medicine.medical_specialty, Adolescent, Physical fitness, Physical activity, Motor Activity, Body Mass Index, Leisure Activities, Medicine, Humans, Child, Cross-Sectional Studie, Sedentary time, Sex Characteristics, Anthropometry, business.industry, Cardiorespiratory fitness, Sex Characteristic, Cross-Sectional Studies, Physical Fitness, Sedentary Lifestyle, Leisure Activitie, Pediatrics, Perinatology and Child Health, Physical Fitne, Physical therapy, Exercise Test, Female, Sedentary Behavior, business, Human
Abstract: Background: The aims of this study were to examine what amount of s edentary time is associated with low cardiorespiratory fitness (CRF) in adolescents and whether this association is independent of physical activity. Methods: The study comprised 1808 adolescents aged 12.5-17.5 years from 10 European cities. Sedentary time and moderate-to-vigorous physical activity (MVPA) were measured by accelerometer. CRF was assessed by the 20 m shuttle-run test. Adolescents were divided into two groups (high/low) according to FITNESSGRAM guidelines. Receiver-operating characteristic (ROC) analysis was used to determine thresholds that best discriminate between high and low CRF in adolescents. Results: Adolescent girls had more sedentary time than boys (p0.05) in those who met the recommendation (≥60 min/day in MVPA). Conclusion: Excessive sedentary time is associated with low CRF in adolescent girls but not in boys. However, this adverse effect might be attenuated if adolescent girls meet the current physical activity guidelines.
Published: 2011

8. Fitness and fatness are independently associated with markers of insulin resistance in European adolescents; The HELENA Study

Author: Jiménez Pavón, David, Castillo, Manuel J., Moreno, Luis A., Kafatos, Anthony, Manios, Yannis, Kondaki, Katerine, Béghin, Laurent, Zaccaria, Maria, De Henauw, Stefaan, Widhalm, Kurt, Molnár, Dénes, Sjöström, Michael, González Gross, Marcela, Ruiz, Jonatan R., Moreno LA, Gottrand F, De Henauw S, González Gross M, Gilbert C, Kafatos A, Libersa C, Sánchez J, Kersting M, Sjöstrom M, Molnár D, Dallongeville J, Hall G, Maes L, Scalfi L, Fleta J, Casajús JA, Rodríguez G, Tomás C, Mesana MI, Vicente Rodríguez G, Villarroya A, Gil CM, Ara I, Revenga J, Lachen C, Fernández Alvira J, Bueno G, Lázaro A, Bueno O, León JF, Ma Garagorri J, Bueno M, Rey López JP, Iglesia I, Velasco P, Bel S, Marcos A, Wärnberg J, Nova E, Gómez S, Ligia Díaz E, Romeo J, Veses A, Angeles Puertollano M, Zapatera B, Pozo T, Beghin L, Iliescu C, Von Berlepsch J, Sichert Hellert W, Koeppen E, Molnar D, Erhardt E, Csernus K, Török K, Bokor S, Angster M, Nagy E, Kovács O, Répasi J, Codrington C, Plada M, Papadaki A, Sarri K, Viskadourou A, Hatzis C, Kiriakakis M, Tsibinos G, Sbokos CV, Protoyeraki E, Fasoulaki M, Stehle P, Pietrzik K, Breidenassel C, Spinneker A, Al Tahan J, Segoviano M, Berchtold A, Bierschbach C, Blatzheim E, Schuch A, Pickert P, Castillo Garzón MJ, Gutiérrez Sáinz Á, Ortega Porcel FB, Ruiz Ruiz J, García Artero E, España Romero V, Jiménez Pavón D, Sánchez Muñoz C, Soto V, Chillón P, Heredia JM, Aparicio V, Baena P, Cardia CM, Carbonell A, Arcella D, Catasta G, Censi L, Ciarapica D, Ferrari M, Le Donne C, Leclerq C, Magrì L, Maiani G, Piccinelli R, Polito A, Spada R, Toti E, Montagnese C, De Bourdeaudhuij I, De Vriendt T, Matthys C, Vereecken C, de Maeyer M, Ottevaere C, Huybrechts I, Widhalm K, Phillipp K, Dietrich S, Kubelka B, Boriss Riedl M, Manios Y, Grammatikaki E, Bouloubasi Z, Cook TL, Eleutheriou S, Consta O, Moschonis G, Katsaroli I, Kraniou G, Papoutsou S, Keke D, Petraki I, Bellou E, Tanagra S, Kallianoti K, Argyropoulou D, Kondaki K, Tsikrika S, Karaiskos C, Meirhaeghe A, Bergman P, Hagströmer M, Hallström L, Hallberg M, Poortvliet E, Rizzo N, Beckman L, Wennlöf AH, Patterson E, Kwak L, Cernerud L, Tillgren P, Sörensen S, Sánchez Molero J, Picó E, Navarro M, Viadel B, Enrique Carreres J, Merino G, Sanjuán R, Lorente M, José Sánchez M, Castelló S, Thomas S, Allchurch E, Burguess P, Astrom A, Sverkén A, Broberg A, Masson A, Lehoux C, Brabant P, Pate P, Fontaine L, Sebok A, Kuti T, Hegyi A, Maldonado C, Llorente A, García E, von Fircks H, Hallberg ML, Messerer M, Larsson M, Fredriksson H, Adamsson V, Börjesson I, Fernández L, Smillie L, Wills J, Meléndez A, Benito PJ, Calderón J, Valtueña J, Navarro P, Urzanqui A, Albers U, Pedrero R, Gómez Lorente J.J., VITAGLIONE, PAOLA, Jiménez Pavón, David, Castillo, Manuel J., Moreno, Luis A., Kafatos, Anthony, Manios, Yanni, Kondaki, Katerine, Béghin, Laurent, Zaccaria, Maria, De Henauw, Stefaan, Widhalm, Kurt, Molnár, Déne, Sjöström, Michael, González Gross, Marcela, Ruiz, Jonatan R., Moreno, La, Gottrand, F, De Henauw, S, González Gross, M, Gilbert, C, Kafatos, A, Libersa, C, Sánchez, J, Kersting, M, Sjöstrom, M, Molnár, D, Dallongeville, J, Hall, G, Maes, L, Scalfi, L, Fleta, J, Casajús, Ja, Rodríguez, G, Tomás, C, Mesana, Mi, Vicente Rodríguez, G, Villarroya, A, Gil, Cm, Ara, I, Revenga, J, Lachen, C, Fernández Alvira, J, Bueno, G, Lázaro, A, Bueno, O, León, Jf, Ma Garagorri, J, Bueno, M, Rey López, Jp, Iglesia, I, Velasco, P, Bel, S, Marcos, A, Wärnberg, J, Nova, E, Gómez, S, Ligia Díaz, E, Romeo, J, Veses, A, Angeles Puertollano, M, Zapatera, B, Pozo, T, Beghin, L, Iliescu, C, Von Berlepsch, J, Sichert Hellert, W, Koeppen, E, Molnar, D, Erhardt, E, Csernus, K, Török, K, Bokor, S, Angster, M, Nagy, E, Kovács, O, Répasi, J, Codrington, C, Plada, M, Papadaki, A, Sarri, K, Viskadourou, A, Hatzis, C, Kiriakakis, M, Tsibinos, G, Sbokos, Cv, Protoyeraki, E, Fasoulaki, M, Stehle, P, Pietrzik, K, Breidenassel, C, Spinneker, A, Al Tahan, J, Segoviano, M, Berchtold, A, Bierschbach, C, Blatzheim, E, Schuch, A, Pickert, P, Castillo Garzón, Mj, Gutiérrez Sáinz, Á, Ortega Porcel, Fb, Ruiz Ruiz, J, García Artero, E, España Romero, V, Jiménez Pavón, D, Sánchez Muñoz, C, Soto, V, Chillón, P, Heredia, Jm, Aparicio, V, Baena, P, Cardia, Cm, Carbonell, A, Arcella, D, Catasta, G, Censi, L, Ciarapica, D, Ferrari, M, Le Donne, C, Leclerq, C, Magrì, L, Maiani, G, Piccinelli, R, Polito, A, Spada, R, Toti, E, Vitaglione, Paola, Montagnese, C, De Bourdeaudhuij, I, De Vriendt, T, Matthys, C, Vereecken, C, de Maeyer, M, Ottevaere, C, Huybrechts, I, Widhalm, K, Phillipp, K, Dietrich, S, Kubelka, B, Boriss Riedl, M, Manios, Y, Grammatikaki, E, Bouloubasi, Z, Cook, Tl, Eleutheriou, S, Consta, O, Moschonis, G, Katsaroli, I, Kraniou, G, Papoutsou, S, Keke, D, Petraki, I, Bellou, E, Tanagra, S, Kallianoti, K, Argyropoulou, D, Kondaki, K, Tsikrika, S, Karaiskos, C, Meirhaeghe, A, Bergman, P, Hagströmer, M, Hallström, L, Hallberg, M, Poortvliet, E, Rizzo, N, Beckman, L, Wennlöf, Ah, Patterson, E, Kwak, L, Cernerud, L, Tillgren, P, Sörensen, S, Sánchez Molero, J, Picó, E, Navarro, M, Viadel, B, Enrique Carreres, J, Merino, G, Sanjuán, R, Lorente, M, José Sánchez, M, Castelló, S, Thomas, S, Allchurch, E, Burguess, P, Astrom, A, Sverkén, A, Broberg, A, Masson, A, Lehoux, C, Brabant, P, Pate, P, Fontaine, L, Sebok, A, Kuti, T, Hegyi, A, Maldonado, C, Llorente, A, García, E, von Fircks, H, Hallberg, Ml, Messerer, M, Larsson, M, Fredriksson, H, Adamsson, V, Börjesson, I, Fernández, L, Smillie, L, Wills, J, Meléndez, A, Benito, Pj, Calderón, J, Valtueña, J, Navarro, P, Urzanqui, A, Albers, U, Pedrero, R, and Gómez Lorente, J. J.
Subjects: Blood Glucose, Male, Cross-sectional study, medicine.medical_treatment, Body Mass Index, Insulin, Age Factor, Skinfold Thickne, Adiposity, Nutrition and Dietetics, Health Policy, Age Factors, Health Survey, Europe, Skinfold Thickness, Cardiorespiratory fitne, Regression Analysis, Female, Waist Circumference, Human, medicine.medical_specialty, Waist, Adolescent, Regression Analysi, Insulin resistance, Internal medicine, medicine, HOMA, Humans, Obesity, Cardiovascular fitness, Cross-Sectional Studie, Analysis of Variance, business.industry, Body Weight, Public Health, Environmental and Occupational Health, nutritional and metabolic diseases, Cardiorespiratory fitness, medicine.disease, Health Surveys, Body Height, Total and central body fat, Endocrinology, Cross-Sectional Studies, Glucose, Physical Fitness, Pediatrics, Perinatology and Child Health, Exercise Test, Physical Fitne, Insulin Resistance, business, Body mass index
Abstract: To examine the independent association of total and central body fat and cardiorespiratory fitness with markers of insulin resistance after controlling for several potential confounders in European adolescents participating in the HELENA-CSS (Healthy Lifestyle in Europe by Nutrition in Adolescence Cross-Sectional) study.We conducted a cross sectional study (the HELENA-CSS) which comprised 1053 (12.5-17.5 years) adolescents from 10 European cities. Weight, height, waist circumference and skinfold thickness were measured, and body mass index (BMI) was calculated. Cardiorespiratory fitness was measured by the 20-m shuttle run test. Markers of insulin resistance were fasting insulin and glucose, and homeostasis model assessment (HOMA).HOMA and insulin were positively associated with BMI, skinfolds and waist circumference after controlling for center, age, pubertal status and cardiorespiratory fitness (all P ? 0.01). HOMA and insulin were negatively associated with cardiorespiratory fitness in adolescents with moderate to high levels of total and central body fat (all P ? 0.01).HOMA and insulin were associated with total and central body fat in European adolescents. Moreover, cardiorespiratory fitness explained a part of the HOMA and insulin variance in those adolescents with moderate to high levels of total and central body fat, and also, to some extent, in those with low to middle fat mass.
Published: 2011

9. Pilot evaluation of the HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) Food-O-Meter, a computer-tailored nutrition advice for adolescents: a study in six European cities

Author: Maes, Lea, Cook, Tina Louisa, Ottovaere, Charlene, Matthijs, Christophe, Moreno, Luis A., Kersting, Mathilde, Papadaki, Alina, Manios, Yannis, Dietrich, Sabine, Hallström, Lena, Haerens, Leen, De Bourdeaudhuij, Ilse, Vereecken, Carine, Moreno LA, Gottrand F, De Henauw S, González Gross M, Gilbert C, Kafatos A, Libersa C, Sánchez J, Kersting M, Sjöstrom M, Molnár D, Dallongeville J, Hall G, Maes L, Scalfi L, Meléndez P, Fleta J, Casajús JA, Rodríguez G, Tomás C, Mesana MI, Vicente Rodríguez G, Villarroya A, Gil CM, Ara I, Revenga J, Lachen C, Alvira JF, Bueno G, Lázaro A, Bueno O, León JF, Garagorri JM, Bueno M, Rey López JP, Iglesia I, Velasco P, Bel S, Marcos A, Wärnberg J, Nova E, Gómez S, Díaz EL, Romeo J, Veses A, Puertollano MA, Zapatera B, Pozo T, Beghin L, Iliescu C, Von Berlepsch J, Sichert Hellert W, Koeppen E, Molnar D, Erhardt E, Csernus K, Török K, Bokor S, Angster, Nagy E, Kovács O, Répasi J, Codrington C, Plada M, Papadaki A, Sarri K, Viskadourou A, Hatzis C, Kiriakakis M, Tsibinos G, Sbokos CV, Protoyeraki E, Fasoulaki M, Stehle P, Pietrzik K, Breidenassel C, Spinneker A, Al Tahan J, Segoviano M, Berchtold A, Bierschbach C, Blatzheim E, Schuch A, Pickert P, Castillo Garzón MJ, Gutiérrez Sáinz Á, Ortega Porcel FB, Ruiz Ruiz J, García Artero E, España Romero V, Jiménez Pavón D, Sánchez Muñoz C, Soto V, Chillón P, Heredia JM, Aparicio V, Baena P, Cardia CM, Carbonell A, Arcella D, Catasta G, Censi L, Ciarapica D, Ferrari M, Le Donne C, Leclerq C, Magrì L, Maiani G, Piccinelli R, Polito A, Spada R, Toti E, Montagnese C, De Bourdeaudhuij I, De Vriendt T, Matthys C, Vereecken C, de Maeyer M, Ottevaere C, Huybrechts I, Widhalm K, Phillipp K, Dietrich S, Kubelka B, Boriss Riedl M, Manios Y, Grammatikaki E, Bouloubasi Z, Cook TL, Eleutheriou S, Consta O, Moschonis G, Katsaroli I, Kraniou G, Papoutsou S, Keke D, Petraki I, Bellou E, Tanagra S, Kallianoti K, Argyropoulou D, Kondaki K, Tsikrika S, Karaiskos C, Meirhaeghe A, Bergman P, Hagströmer M, Hallström L, Hallberg M, Poortvliet E, Rizzo N, Beckman L, Wennlöf AH, Patterson E, Kwak L, Cernerud L, Tillgren P, Sörensen S, Sánchez Molero J, Picó E, Navarro M, Viadel B, Carreres JE, Merino G, Sanjuán R, Lorente M, Sánchez MJ, Castelló S, Thomas S, Allchurch E, Burguess P, Astrom A, Sverkén A, Broberg A, Masson A, Lehoux C, Brabant P, Pate P, Fontaine L, Sebok A, Kuti T, Hegyi A, Maldonado C, Llorente A, García E, von Fircks H, Hallberg ML, Messerer M, Larsson M, Fredriksson H, Adamsson V, Börjesson I, Fernández L, Smillie L, Wills J, Meléndez A, Benito PJ, Calderón J, Valtueña J, Navarro P, Urzanqui A, Albers U, Pedrero R, Gómez Lorente J.J., VITAGLIONE, PAOLA, Maes, Lea, Cook, Tina Louisa, Ottovaere, Charlene, Matthijs, Christophe, Moreno, Luis A., Kersting, Mathilde, Papadaki, Alina, Manios, Yanni, Dietrich, Sabine, Hallström, Lena, Haerens, Leen, De Bourdeaudhuij, Ilse, Vereecken, Carine, Moreno, La, Gottrand, F, De Henauw, S, González Gross, M, Gilbert, C, Kafatos, A, Libersa, C, Sánchez, J, Kersting, M, Sjöstrom, M, Molnár, D, Dallongeville, J, Hall, G, Maes, L, Scalfi, L, Meléndez, P, Fleta, J, Casajús, Ja, Rodríguez, G, Tomás, C, Mesana, Mi, Vicente Rodríguez, G, Villarroya, A, Gil, Cm, Ara, I, Revenga, J, Lachen, C, Alvira, Jf, Bueno, G, Lázaro, A, Bueno, O, León, Jf, Garagorri, Jm, Bueno, M, Rey López, Jp, Iglesia, I, Velasco, P, Bel, S, Marcos, A, Wärnberg, J, Nova, E, Gómez, S, Díaz, El, Romeo, J, Veses, A, Puertollano, Ma, Zapatera, B, Pozo, T, Beghin, L, Iliescu, C, Von Berlepsch, J, Sichert Hellert, W, Koeppen, E, Molnar, D, Erhardt, E, Csernus, K, Török, K, Bokor, S, Angster, Nagy, E, Kovács, O, Répasi, J, Codrington, C, Plada, M, Papadaki, A, Sarri, K, Viskadourou, A, Hatzis, C, Kiriakakis, M, Tsibinos, G, Sbokos, Cv, Protoyeraki, E, Fasoulaki, M, Stehle, P, Pietrzik, K, Breidenassel, C, Spinneker, A, Al Tahan, J, Segoviano, M, Berchtold, A, Bierschbach, C, Blatzheim, E, Schuch, A, Pickert, P, Castillo Garzón, Mj, Gutiérrez Sáinz, Á, Ortega Porcel, Fb, Ruiz Ruiz, J, García Artero, E, España Romero, V, Jiménez Pavón, D, Sánchez Muñoz, C, Soto, V, Chillón, P, Heredia, Jm, Aparicio, V, Baena, P, Cardia, Cm, Carbonell, A, Arcella, D, Catasta, G, Censi, L, Ciarapica, D, Ferrari, M, Le Donne, C, Leclerq, C, Magrì, L, Maiani, G, Piccinelli, R, Polito, A, Spada, R, Toti, E, Vitaglione, Paola, Montagnese, C, De Bourdeaudhuij, I, De Vriendt, T, Matthys, C, Vereecken, C, de Maeyer, M, Ottevaere, C, Huybrechts, I, Widhalm, K, Phillipp, K, Dietrich, S, Kubelka, B, Boriss Riedl, M, Manios, Y, Grammatikaki, E, Bouloubasi, Z, Cook, Tl, Eleutheriou, S, Consta, O, Moschonis, G, Katsaroli, I, Kraniou, G, Papoutsou, S, Keke, D, Petraki, I, Bellou, E, Tanagra, S, Kallianoti, K, Argyropoulou, D, Kondaki, K, Tsikrika, S, Karaiskos, C, Meirhaeghe, A, Bergman, P, Hagströmer, M, Hallström, L, Hallberg, M, Poortvliet, E, Rizzo, N, Beckman, L, Wennlöf, Ah, Patterson, E, Kwak, L, Cernerud, L, Tillgren, P, Sörensen, S, Sánchez Molero, J, Picó, E, Navarro, M, Viadel, B, Carreres, Je, Merino, G, Sanjuán, R, Lorente, M, Sánchez, Mj, Castelló, S, Thomas, S, Allchurch, E, Burguess, P, Astrom, A, Sverkén, A, Broberg, A, Masson, A, Lehoux, C, Brabant, P, Pate, P, Fontaine, L, Sebok, A, Kuti, T, Hegyi, A, Maldonado, C, Llorente, A, García, E, von Fircks, H, Hallberg, Ml, Messerer, M, Larsson, M, Fredriksson, H, Adamsson, V, Börjesson, I, Fernández, L, Smillie, L, Wills, J, Meléndez, A, Benito, Pj, Calderón, J, Valtueña, J, Navarro, P, Urzanqui, A, Albers, U, Pedrero, R, and Gómez Lorente, J. J.
Subjects: Program evaluation, Cross-Cultural Comparison, Male, Adolescent, Adolescent Nutritional Physiological Phenomena, Medicine (miscellaneous), Intervention, Pilot Projects, Child Nutrition Sciences, Health Promotion, law.invention, Randomized controlled trial, law, Internet based, Intervention (counseling), Environmental health, Child Nutrition Science, Nutrition and Dietetic, Medicine, Humans, Pilot Project, Advice, Child, Life Style, Dietary Fat, Nutrition, Internet, Nutrition and Dietetics, business.industry, Life style, Public Health, Environmental and Occupational Health, Overweight, Cross-cultural studies, Dietary Fats, Feasibility Studie, Europe, Multicenter study, Adolescent Behavior, Feasibility Studies, The Internet, Female, business, Human, Program Evaluation
Abstract: OBJECTIVE: To investigate the feasibility and impact of the Food-O-Meter, an Internet-based computer-tailored nutrition intervention in adolescents. DESIGN: Participants in the intervention condition received the computer-tailored advice at baseline and at 1 month, those in the control condition received standardised advice. Effects were evaluated at 1 month (n 621) and at 3 months (n 558) using multi-level modelling. SETTING: Secondary schools in six European cities. Adolescents accessed the intervention in the school computer room under the supervision of teachers. SUBJECTS: Classes with students aged 12-17 years in the schools participating in the HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) cross-sectional study were randomised into intervention and control schools. RESULTS: In most participating centres the intervention was feasible and generally well appreciated, especially by girls. Technical problems and lack of motivation of the teachers hindered implementation in some centres. Overweight adolescents had higher scores for reading and using the advice than normal weight adolescents. After 1 month adolescents receiving the standardised advice reported an increase in fat intake, while fat intake in the intervention condition was stable (F = 4·82, P < 0·05). After 3 months, there was a trend in the total group for an intervention effect of the tailored advice on fat intake (F = 2·80, P < 0·10). In the overweight group there was a clear positive effect (F = 5·76, P < 0·05). CONCLUSIONS: The Food-O-Meter should be developed further. The results were modest but clear for percentage energy from fat, specifically in the overweight group. Adaptations based on new research are needed to enhance the reliability and effectiveness of the intervention.
Published: 2011

10. Longer breastfeeding is associated with increased lower body explosive strength during adolescence

Author: Artero, Enrique G., Ortega, Francisco B., España Romero, Vanesa, Labayen, Idoia, Huybrechts, Inge, Papadaki, Angeliki, Rodriguez, Gerardo, Mauro, Beatrice, Widhalm, Kurt, Kersting, Mathilde, Manios, Yannis, Molnar, Denes, Moreno, Luis A., Sjöström, Michael, Gottrand, Frederic, Castillo, Manuel J., De Henauw, Stefaan, Moreno LA, Fleta J, Casajús JA, Rodríguez G, Tomás C, Mesana MI, Vicente Rodríguez G, Villarroya A, Gil CM, Ara I, Revenga J, Lachen C, Fernández Alvira J, Bueno G, Lázaro A, Bueno O, León JF, Garagorri J, Bueno M, Rey López JP, Iglesia I, Velasco P, Bel S, Marcos A, Wärnberg J, Nova E, Gómez S, Ligia Díaz E, Romeo J, Veses A, Puertollano MA, Zapatera B, Pozo T, Martinez Gomez D, Beghin L, Libersa C, Gottrand F, Iliescu C, Von Berlepsch J, Kersting M, Sichert Hellert W, Koeppen E, Molnar D, Erhardt E, Csernus K, Török K, Bokor S, Angster, Nagy E, Kovács O, Répasi J, Kafatos A, Codrington C, Plada M, Papadaki A, Sarri K, Viskadourou A, Hatzis C, Kiriakakis M, Tsibinos G, Vardavas Manolis Sbokos C, Protoyeraki E, Fasoulaki M, Stehle P, Pietrzik K, González Gross M, Breidenassel C, Spinneker A, Al Tahan J, Segoviano M, Berchtold A, Bierschbach C, Blatzheim E, Schuch A, Pickert P, Castillo Garzón MJ, Gutiérrez Sáinz Á, Ortega Porcel FB, Ruiz Ruiz J, Artero EG, España Romero V, Jiménez Pavón D, Chillón P, Aparicio V, Carbonell A, Arcella D, Catasta G, Censi L, Ciarapica D, Ferrari M, Le Donne C, Leclerq C, Magrì L, Maiani G, Piccinelli R, Polito A, Spada R, Toti E, Scalfi L, Montagnese C, De Bourdeaudhuij I, De Henauw S, De Vriendt T, Maes L, Matthys C, Vereecken C, de Maeyer M, Ottevaere C, Huybrechts I, Widhalm K, Phillipp K, Dietrich S, Kubelka B, Boriss Riedl M, Manios Y, Grammatikaki E, Bouloubasi Z, Louisa Cook T, Eleutheriou S, Consta O, Moschonis G, Katsaroli I, Kraniou G, Papoutsou S, Keke D, Petraki I, Bellou E, Tanagra S, Kallianoti K, Argyropoulou D, Kondaki K, Tsikrika S, Karaisk C, Dallongeville J, Meirhaeghe A, Sjöstrom M, Bergman P, Hagströmer M, Hallström L, Hallberg M, Poortvliet E, Rizzo N, Beckman L, Hurtig Wennlöf A, Patterson E, Kwak L, Cernerud L, Tillgren P, Sörensen S, Sánchez Molero J, Picó E, Navarro M, Viadel B, Enrique Carreres J, Merino G, Sanjuán R, Lorente M, Sánchez MJ, Castelló S, Gilbert C, Thomas S, Allchurch E, Burguess P, Hall G, Astrom A, Sverkén A, Broberg A, Masson A, Lehoux C, Brabant P, Pate P, Fontaine L, Sebok A, Kuti T, Hegyi A, Maldonado C, Llorente A, García E, von Fircks H, Lilja Hallberg M, Messerer M, Larsson M, Fredriksson H, Adamsson V, Börjesson I, Fernández L, Smillie L, Wills J, Meléndez A, Benito PJ, Calderón J, Valtueña J, Navarro P, Urzanqui A, Albers U, Pedrero R, Gómez Lorente J.J., VITAGLIONE, PAOLA, Artero, Enrique G., Ortega, Francisco B., España Romero, Vanesa, Labayen, Idoia, Huybrechts, Inge, Papadaki, Angeliki, Rodriguez, Gerardo, Mauro, Beatrice, Widhalm, Kurt, Kersting, Mathilde, Manios, Yanni, Molnar, Dene, Moreno, Luis A., Sjöström, Michael, Gottrand, Frederic, Castillo, Manuel J., De Henauw, Stefaan, Moreno, La, Fleta, J, Casajús, Ja, Rodríguez, G, Tomás, C, Mesana, Mi, Vicente Rodríguez, G, Villarroya, A, Gil, Cm, Ara, I, Revenga, J, Lachen, C, Fernández Alvira, J, Bueno, G, Lázaro, A, Bueno, O, León, Jf, Garagorri, J, Bueno, M, Rey López, Jp, Iglesia, I, Velasco, P, Bel, S, Marcos, A, Wärnberg, J, Nova, E, Gómez, S, Ligia Díaz, E, Romeo, J, Veses, A, Puertollano, Ma, Zapatera, B, Pozo, T, Martinez Gomez, D, Beghin, L, Libersa, C, Gottrand, F, Iliescu, C, Von Berlepsch, J, Kersting, M, Sichert Hellert, W, Koeppen, E, Molnar, D, Erhardt, E, Csernus, K, Török, K, Bokor, S, Angster, Nagy, E, Kovács, O, Répasi, J, Kafatos, A, Codrington, C, Plada, M, Papadaki, A, Sarri, K, Viskadourou, A, Hatzis, C, Kiriakakis, M, Tsibinos, G, Vardavas Manolis Sbokos, C, Protoyeraki, E, Fasoulaki, M, Stehle, P, Pietrzik, K, González Gross, M, Breidenassel, C, Spinneker, A, Al Tahan, J, Segoviano, M, Berchtold, A, Bierschbach, C, Blatzheim, E, Schuch, A, Pickert, P, Castillo Garzón, Mj, Gutiérrez Sáinz, Á, Ortega Porcel, Fb, Ruiz Ruiz, J, Artero, Eg, España Romero, V, Jiménez Pavón, D, Chillón, P, Aparicio, V, Carbonell, A, Arcella, D, Catasta, G, Censi, L, Ciarapica, D, Ferrari, M, Le Donne, C, Leclerq, C, Magrì, L, Maiani, G, Piccinelli, R, Polito, A, Spada, R, Toti, E, Scalfi, L, Vitaglione, Paola, Montagnese, C, De Bourdeaudhuij, I, De Henauw, S, De Vriendt, T, Maes, L, Matthys, C, Vereecken, C, de Maeyer, M, Ottevaere, C, Huybrechts, I, Widhalm, K, Phillipp, K, Dietrich, S, Kubelka, B, Boriss Riedl, M, Manios, Y, Grammatikaki, E, Bouloubasi, Z, Louisa Cook, T, Eleutheriou, S, Consta, O, Moschonis, G, Katsaroli, I, Kraniou, G, Papoutsou, S, Keke, D, Petraki, I, Bellou, E, Tanagra, S, Kallianoti, K, Argyropoulou, D, Kondaki, K, Tsikrika, S, Karaisk, C, Dallongeville, J, Meirhaeghe, A, Sjöstrom, M, Bergman, P, Hagströmer, M, Hallström, L, Hallberg, M, Poortvliet, E, Rizzo, N, Beckman, L, Hurtig Wennlöf, A, Patterson, E, Kwak, L, Cernerud, L, Tillgren, P, Sörensen, S, Sánchez Molero, J, Picó, E, Navarro, M, Viadel, B, Enrique Carreres, J, Merino, G, Sanjuán, R, Lorente, M, Sánchez, Mj, Castelló, S, Gilbert, C, Thomas, S, Allchurch, E, Burguess, P, Hall, G, Astrom, A, Sverkén, A, Broberg, A, Masson, A, Lehoux, C, Brabant, P, Pate, P, Fontaine, L, Sebok, A, Kuti, T, Hegyi, A, Maldonado, C, Llorente, A, García, E, von Fircks, H, Lilja Hallberg, M, Messerer, M, Larsson, M, Fredriksson, H, Adamsson, V, Börjesson, I, Fernández, L, Smillie, L, Wills, J, Meléndez, A, Benito, Pj, Calderón, J, Valtueña, J, Navarro, P, Urzanqui, A, Albers, U, Pedrero, R, and Gómez Lorente, J. J.
Subjects: Multi-stage fitness test, Male, Pediatrics, medicine.medical_specialty, Aging, Adolescent, Birth weight, Physical fitness, Statistics as Topic, Breastfeeding, Medicine (miscellaneous), Athletic Performance, Physical strength, Surveys and Questionnaires, Nutrition and Dietetic, medicine, Surveys and Questionnaire, Humans, Mass index, Muscle Strength, Child, Infant Nutritional Physiological Phenomena, Cross-Sectional Studie, Nutrition and Dietetics, Anthropometry, business.industry, Medicine (all), Infant, Nutrition Survey, Nutrition Surveys, Europe, Breast Feeding, Cross-Sectional Studies, Lower Extremity, Physical Fitness, Physical Fitne, Female, business, Breast feeding, Human
Abstract: Our aim in this study was to examine the association between breastfeeding duration and cardiorespiratory fitness, isometric strength, and explosive strength during adolescence. A total of 2567 adolescents (1426 girls) from the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) cross-sectional study aged 12.5-17.5 y were included. Information about duration of any and exclusive breastfeeding was obtained retrospectively by means of a parental questionnaire. The 20-m shuttle run, handgrip strength, and standing long jump tests were used to assess physical fitness. Significant differences among the categories of breastfeeding duration were tested using ANCOVA after adjusting for a set of potential confounders: gestational and current age, birth weight, sexual maturation, fat mass, fat-free mass, maternal education, parental weight status, country, smoking behavior, and days of vigorous physical activity. Longer breastfeeding (either any or exclusive) was associated with a higher performance in the standing long jump test in both boys and girls (P < 0.001), regardless of fat mass, fat-free mass, and the rest of potential confounders. In adolescents who were breastfed for 3-5 mo or ≥6 mo, the risk of having a standing long jump performance below the 5th percentile was reduced by half compared with those who were never breastfed [odds ratio (OR) = 0.54, 95% CI = 0.30-0.96, P < 0.05; and OR = 0.40, 95% CI = 0.22-0.74, P < 0.01, respectively). These findings suggest a role of breastfeeding in determining lower body explosive strength during adolescence.
Published: 2010

11. Association of objectively assessed physical activity with total and central body fat in Spanish adolescents; The HELENA Study

Author: Moliner Urdiales, D., Ruiz, J. R., Ortega, F. B., Rey Lopez, J. P., Vicente Rodriguez, G., Espãa Romero, V., Munguía Izquierdo, D., Castillo, M. J., Sjöström, M., Moreno, L. A., Moreno LA, Gottrand F, De Henauw S, González Gross M, Gilbert C, Kafatos A, Libersa C, Sánchez J, Kersting M, Sjöstrom M, Molnár D, Dallongeville J, Hall G, Maes L, Scalfi L, Meléndez P, Fleta J, Casajús JA, Rodríguez G, Tomás C, Mesana MI, Vicente Rodríguez G, Villarroya A, Gil CM, Ara I, Revenga J, Lachen C, Fernández Alvira J, Bueno G, Lázaro A, Bueno O, León JF, Garagorri JM, Bueno M, Rey López JP, Iglesia I, Velasco P, Bel S, Marcos A, Wärnberg J, Nova E, Gómez S, Ligia Díaz E, Romeo J, Veses A, Angeles Puertollano M, Zapatera B, Pozo T, Beghin L, Iliescu C, Von Berlepsch J, Sichert Hellert W, Koeppen E, Molnar D, Erhardt E, Csernus K, Török K, Bokor S, Angster, Nagy E, Kovács O, Répasi J, Codrington C, Plada M, Papadaki A, Sarri K, Viskadourou A, Hatzis C, Kiriakakis M, Tsibinos G, Sbokos CV, Protoyeraki E, Fasoulaki M, Stehle P, Pietrzik K, Breidenassel C, Spinneker A, Al Tahan J, Segoviano M, Berchtold A, Bierschbach C, Blatzheim E, Schuch A, Pickert P, Castillo Garzón MJ, Gutiérrez Sáinz A, Ortega Porcel FB, Ruiz JR, García Artero E, España Romero V, Jiménez Pavón D, Sánchez Muñoz C, Soto V, Chillón P, Heredia JM, Aparicio V, Baena P, Cardia CM, Carbonell A, Arcella D, Catasta G, Censi L, Ciarapica D, Ferrari M, Le Donne C, Leclerq C, Magrì L, Maiani G, Piccinelli R, Polito A, Spada R, Toti E, Montagnese C, De Bourdeaudhuij I, De Vriendt T, Matthys C, Vereecken C, de Maeyer M, Ottevaere C, Widhalm K, Phillipp K, Dietrich S, Boriss Riedl BK, Manios Y, Grammatikaki E, Bouloubasi Z, Cook TL, Eleutheriou S, Consta O, Moschonis G, Katsaroli I, Kraniou G, Papoutsou S, Keke D, Petraki I, Bellou E, Tanagra S, Kallianoti K, Argyropoulou D, Kondaki K, Tsikrika S, Karaiskos C, Meirhaeghe A, Fievet N, Goumidi L, Bergman P, Hagströmer M, Hallström L, Hallberg M, Poortvliet E, Rizzo N, Beckman L, Wennlöf AH, Patterson E, Kwak L, Cernerud L, Tillgren P, Sörensen S, Sánchez Molero J, Picó E, Navarro M, Viadel B, Carreres JE, Merino G, Sanjuán R, Lorente M, Sánchez MJ, Castello S, Thomas S, Allchurch E, Burguess P, Astrom A, Sverkén A, Broberg A, Masson A, Lehoux C, Brabant P, Pate P, Fontaine L, Sebok A, Kuti T, Hegyi A, Maldonado C, Llorente A, García E, von Fircks H, Hallberg ML, Messerer M, Larsson M, Fredriksson H, Adamsson V, Börjesso I, Fernández L, Smillie L, Wills J, Meléndez A, Benito PJ, Calderón J, Valtueña J, Navarro P, Urzanqui A, Albers U, Pedrero R, Gómez Lorente J.J., VITAGLIONE, PAOLA, Moliner Urdiales, D., Ruiz, J. R., Ortega, F. B., Rey Lopez, J. P., Vicente Rodriguez, G., Espãa Romero, V., Munguía Izquierdo, D., Castillo, M. J., Sjöström, M., Moreno, L. A., Moreno, La, Gottrand, F, De Henauw, S, González Gross, M, Gilbert, C, Kafatos, A, Libersa, C, Sánchez, J, Kersting, M, Sjöstrom, M, Molnár, D, Dallongeville, J, Hall, G, Maes, L, Scalfi, L, Meléndez, P, Fleta, J, Casajús, Ja, Rodríguez, G, Tomás, C, Mesana, Mi, Vicente Rodríguez, G, Villarroya, A, Gil, Cm, Ara, I, Revenga, J, Lachen, C, Fernández Alvira, J, Bueno, G, Lázaro, A, Bueno, O, León, Jf, Garagorri, Jm, Bueno, M, Rey López, Jp, Iglesia, I, Velasco, P, Bel, S, Marcos, A, Wärnberg, J, Nova, E, Gómez, S, Ligia Díaz, E, Romeo, J, Veses, A, Angeles Puertollano, M, Zapatera, B, Pozo, T, Beghin, L, Iliescu, C, Von Berlepsch, J, Sichert Hellert, W, Koeppen, E, Molnar, D, Erhardt, E, Csernus, K, Török, K, Bokor, S, Angster, Nagy, E, Kovács, O, Répasi, J, Codrington, C, Plada, M, Papadaki, A, Sarri, K, Viskadourou, A, Hatzis, C, Kiriakakis, M, Tsibinos, G, Sbokos, Cv, Protoyeraki, E, Fasoulaki, M, Stehle, P, Pietrzik, K, Breidenassel, C, Spinneker, A, Al Tahan, J, Segoviano, M, Berchtold, A, Bierschbach, C, Blatzheim, E, Schuch, A, Pickert, P, Castillo Garzón, Mj, Gutiérrez Sáinz, A, Ortega Porcel, Fb, Ruiz, Jr, García Artero, E, España Romero, V, Jiménez Pavón, D, Sánchez Muñoz, C, Soto, V, Chillón, P, Heredia, Jm, Aparicio, V, Baena, P, Cardia, Cm, Carbonell, A, Arcella, D, Catasta, G, Censi, L, Ciarapica, D, Ferrari, M, Le Donne, C, Leclerq, C, Magrì, L, Maiani, G, Piccinelli, R, Polito, A, Spada, R, Toti, E, Vitaglione, Paola, Montagnese, C, De Bourdeaudhuij, I, De Vriendt, T, Matthys, C, Vereecken, C, de Maeyer, M, Ottevaere, C, Widhalm, K, Phillipp, K, Dietrich, S, Boriss Riedl, Bk, Manios, Y, Grammatikaki, E, Bouloubasi, Z, Cook, Tl, Eleutheriou, S, Consta, O, Moschonis, G, Katsaroli, I, Kraniou, G, Papoutsou, S, Keke, D, Petraki, I, Bellou, E, Tanagra, S, Kallianoti, K, Argyropoulou, D, Kondaki, K, Tsikrika, S, Karaiskos, C, Meirhaeghe, A, Fievet, N, Goumidi, L, Bergman, P, Hagströmer, M, Hallström, L, Hallberg, M, Poortvliet, E, Rizzo, N, Beckman, L, Wennlöf, Ah, Patterson, E, Kwak, L, Cernerud, L, Tillgren, P, Sörensen, S, Sánchez Molero, J, Picó, E, Navarro, M, Viadel, B, Carreres, Je, Merino, G, Sanjuán, R, Lorente, M, Sánchez, Mj, Castello, S, Thomas, S, Allchurch, E, Burguess, P, Astrom, A, Sverkén, A, Broberg, A, Masson, A, Lehoux, C, Brabant, P, Pate, P, Fontaine, L, Sebok, A, Kuti, T, Hegyi, A, Maldonado, C, Llorente, A, García, E, von Fircks, H, Hallberg, Ml, Messerer, M, Larsson, M, Fredriksson, H, Adamsson, V, Börjesso, I, Fernández, L, Smillie, L, Wills, J, Meléndez, A, Benito, Pj, Calderón, J, Valtueña, J, Navarro, P, Urzanqui, A, Albers, U, Pedrero, R, and Gómez Lorente, J. J.
Subjects: Male, medicine.medical_specialty, Waist, Adolescent, Endocrinology, Diabetes and Metabolism, Physical activity, Adipose tissue, Medicine (miscellaneous), Physical exercise, Motor Activity, Body composition, Absorptiometry, Photon, Negatively associated, Internal medicine, medicine, Nutrition and Dietetic, Humans, Obesity, Radionuclide Imaging, Child, Adiposity, DXA, Cross-Sectional Studie, Nutrition and Dietetics, business.industry, Medicine (all), Puberty, Total body, Lower intensity, medicine.disease, Accelerometer, Endocrinology, Cross-Sectional Studies, Adipose Tissue, Physical Fitness, Physical Fitne, Female, Waist Circumference, business, Human
Abstract: To examine the association of objectively assessed physical activity (PA) with markers of total and central body fat in adolescents, and to determine whether meeting the current PA recommendations (or = 60 min day(-1) of at least moderate intensity PA) is associated with reduced levels of total and central body fat.A total of 365 Spanish adolescents aged 12.5-17.5 years participated in this cross-sectional study. PA was assessed by accelerometry and expressed as average PA (counts per minute), and min day(-1) of light, moderate, moderate to vigorous (MVPA) and vigorous PA. MVPA was dichotomized into60 min day(-1) andor = 60. Total body fat was measured by DXA, BodPod and the sum of six skinfolds. Central body fat was measured by DXA at three regions (R1, R2 and R3), and waist circumference.All markers of central body fat were negatively associated with vigorous PA (P0.01) after controlling for sex, age and pubertal status. Abdominal adiposity measured at R1, R2 and R3 was also negatively associated with MVPA (Por = 0.001), and with average PA (P0.01). All markers of total body fat were negatively associated with vigorous PA (P0.01), MVPA (P0.01) and average PA (P0.05). Adolescents engaged on at least 60 min day(-1) MVPA presented lower levels of total (P0.05) and central body fat (Por = 0.01).The results suggest that vigorous PA may have a greater effect on preventing obesity in adolescents than does PA of lower intensity, whereas both average PA and at least moderate PA may have an impact on total and central body fat in youth.
Published: 2009

12. Food and drink intake during television viewing in adolescents: the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) study.

Author: Rey-López JP, Vicente-Rodríguez G, Répásy J, Mesana MI, Ruiz JR, Ortega FB, Kafatos A, Huybrechts I, Cuenca-García M, León JF, González-Gross M, Sjöström M, de Bourdeaudhuij I, Moreno LA, Rey-López, Juan Pablo, Vicente-Rodríguez, German, Répásy, Judith, Mesana, Maria Isabel, Ruiz, Jonatan R, and Ortega, Francisco B
Abstract: Objective: To compare food consumption during television (TV) viewing among adolescents who watched >2 h/d v. ≤2 h/d; and to examine the association between sociodemographic variables (age, gender and socio-economic status (SES)) and the consumption of energy-dense foods and drinks during TV viewing.Design: The data are part of the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) cross-sectional survey. Data on time watching TV, types of foods and drinks consuming during TV viewing and parental SES (parental education, parental occupation and family affluence) were measured by questionnaires completed by adolescents. Binary logistic regression tested the association between energy-dense foods and drinks and (i) sociodemographic variables and (ii) TV time.Setting: Ghent (Belgium), Heraklion (Greece), Pecs (Hungary) and Zaragoza (Spain).Subjects: Girls (n 699) and boys (n 637) aged 12·5-17·5 years.Results: Boys reported more frequent consumption of beer and soft drinks whereas girls selected more fruit juice, water, herbal infusions and sweets (all P ≤ 0·05). Watching TV for >2 h/d was associated with the consumption of energy-dense foods and drinks. Girls whose mothers achieved the lowest education level had an adjusted OR of 3·22 (95 % CI 1·81, 5·72) for the consumption of energy-dense drinks during TV viewing v. those whose mothers had the highest educational level.Conclusions: Excessive TV watching may favour concurrent consumption of energy-dense snacks and beverages. Adolescents from low-SES families are more likely to consume unhealthy drinks while watching TV. [ABSTRACT FROM AUTHOR]
Published: 2011
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13. Active commuting to school and cognitive performance in adolescents: the AVENA study.

Author: Martínez-Gómez D, Ruiz JR, Gómez-Martínez S, Chillón P, Rey-López JP, Díaz LE, Castillo R, Veiga OL, Marcos A, and AVENA Study Group
Published: 2011
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14. Dietary animal and plant protein intakes and their associations with obesity and cardio-metabolic indicators in European adolescents: the HELENA cross-sectional study

Author: Lin Y, Mouratidou T, Vereecken C, Kersting M, Bolca S, de Moraes AC, Cuenca García M, Moreno LA, González Gross M, Valtueña J, Labayen I, Grammatikaki E, Hallstrom L, Leclercq C, Ferrari M, Gottrand F, Beghin L, Manios Y, Ottevaere C, Van Oyen H, Molnar D, Kafatos A, Widhalm K, Gómez Martinez S, Prieto LE, De Henauw S, Huybrechts I, Gilbert C, Libersa C, Sánchez J, Sjöstrom M, Molnár D, Dallongeville J, Hall G, Maes L, Scalfi L, Meléndez P, Fleta J, Casajús JA, Rodríguez G, Tomás C, Mesana MI, Vicente Rodríguez G, Villarroya A, Gil CM, Ara I, Revenga J, Lachen C, Fernández Alvira J, Bueno G, Lázaro A, Bueno O, León JF, Garagorri JM, Bueno M, Rey López JP, Iglesia I, Velasco P, Bel Serrat S, Gracia Marco L, Jiménez Pavón D, Marcos A, Wärnberg J, Nova E, Gómez Martínez S, Ligia Díaz E, Romeo J, Veses A, Angeles Puertollano M, Zapatera B, Pozo T, Iliescu C, Von Berlepsch J, Sichert Hellert W, Koeppen E, Erhardt E, Csernus K, Török K, Bokor S, Angster, Nagy E, Kovács O, Répasi J, Codrington C, Plada M, Papadaki A, Sarri K, Viskadourou A, Hatzis C, Kiriakakis M, Tsibinos G, Vardavas C, Sbokos M, Protoyeraki E, Fasoulaki M, Stehle P, Pietrzik K, Breidenassel C, Spinneker A, Al Tahan J, Segoviano M, Berchtold A, Bierschbach C, Blatzheim E, Schuch A, Pickert P, Castillo MJ, Gutiérrez A, Ortega FB, Ruiz JR, Artero EG, España V, Chillón P, Sánchez Muñoz C, Cuenca M, Arcella D, Azzini E, Barrison E, Bevilacqua N, Buonocore P, Catasta G, Censi L, Ciarapica D, D'Acapito P, Galfo M, le Donne C, Maiani G, Mauro B, Mistura L, Pasquali A, Piccinelli R, Polito A, Spada R, Sette S, Zaccaria M, Montagnese C, De Bourdeaudhuij I, De Vriendt T, Matthys C, de Maeyer M, Phillipp K, Dietrich S, Kubelka B, Boriss Riedl M, Bouloubasi Z, Louisa Cook T, Eleutheriou S, Consta O, Moschonis G, Katsaroli I, Kraniou G, Papoutsou S, Keke D, Petraki I, Bellou E, Tanagra S, Kallianoti K, Argyropoulou D, Kondaki K, Tsikrika S, Karaiskos C, Meirhaeghe A, Sjöström M, Ruiz J, Hagströmer M, Hallström L, Patterson E, Kwak L, Rizzo N, Hurtig Wennlöf A, Sánchez Molero J, Picó E, Navarro M, Viadel B, Carreres JE, Merino G, Sanjuán R, Lorente M, Sánchez MJ, Castelló S, Thomas S, Allchurch E, Burguess P, Astrom A, Sverkén A, Broberg A, Masson A, Lehoux C, Brabant P, Pate P, Fontaine L, Sebok A, Kuti T, Hegyi A, Maldonado C, Llorente A, Cárnicas Serrano SL, García E, von Fircks H, Lilja Hallberg M, Messerer M, Larsson M, Fredriksson H, Adamsson V, Börjesson I, Fernández L, Smillie L, Wills J, Albers U, Pedrero R, Meléndez A, Benito PJ, Cañada D, Urzanqui A, Ortiz JC, Fuentes F, Gómez Lorente JJ, Mardía Torres R, Navarro P., VITAGLIONE, PAOLA, Lin, Y, Mouratidou, T, Vereecken, C, Kersting, M, Bolca, S, de Moraes, Ac, Cuenca García, M, Moreno, La, González Gross, M, Valtueña, J, Labayen, I, Grammatikaki, E, Hallstrom, L, Leclercq, C, Ferrari, M, Gottrand, F, Beghin, L, Manios, Y, Ottevaere, C, Van Oyen, H, Molnar, D, Kafatos, A, Widhalm, K, Gómez Martinez, S, Prieto, Le, De Henauw, S, Huybrechts, I, Gilbert, C, Libersa, C, Sánchez, J, Sjöstrom, M, Molnár, D, Dallongeville, J, Hall, G, Maes, L, Scalfi, L, Meléndez, P, Fleta, J, Casajús, Ja, Rodríguez, G, Tomás, C, Mesana, Mi, Vicente Rodríguez, G, Villarroya, A, Gil, Cm, Ara, I, Revenga, J, Lachen, C, Fernández Alvira, J, Bueno, G, Lázaro, A, Bueno, O, León, Jf, Garagorri, Jm, Bueno, M, Rey López, Jp, Iglesia, I, Velasco, P, Bel Serrat, S, Gracia Marco, L, Jiménez Pavón, D, Marcos, A, Wärnberg, J, Nova, E, Gómez Martínez, S, Ligia Díaz, E, Romeo, J, Veses, A, Angeles Puertollano, M, Zapatera, B, Pozo, T, Iliescu, C, Von Berlepsch, J, Sichert Hellert, W, Koeppen, E, Erhardt, E, Csernus, K, Török, K, Bokor, S, Angster, Nagy, E, Kovács, O, Répasi, J, Codrington, C, Plada, M, Papadaki, A, Sarri, K, Viskadourou, A, Hatzis, C, Kiriakakis, M, Tsibinos, G, Vardavas, C, Sbokos, M, Protoyeraki, E, Fasoulaki, M, Stehle, P, Pietrzik, K, Breidenassel, C, Spinneker, A, Al Tahan, J, Segoviano, M, Berchtold, A, Bierschbach, C, Blatzheim, E, Schuch, A, Pickert, P, Castillo, Mj, Gutiérrez, A, Ortega, Fb, Ruiz, Jr, Artero, Eg, España, V, Chillón, P, Sánchez Muñoz, C, Cuenca, M, Arcella, D, Azzini, E, Barrison, E, Bevilacqua, N, Buonocore, P, Catasta, G, Censi, L, Ciarapica, D, D'Acapito, P, Galfo, M, le Donne, C, Maiani, G, Mauro, B, Mistura, L, Pasquali, A, Piccinelli, R, Polito, A, Spada, R, Sette, S, Zaccaria, M, Vitaglione, Paola, Montagnese, C, De Bourdeaudhuij, I, De Vriendt, T, Matthys, C, de Maeyer, M, Phillipp, K, Dietrich, S, Kubelka, B, Boriss Riedl, M, Bouloubasi, Z, Louisa Cook, T, Eleutheriou, S, Consta, O, Moschonis, G, Katsaroli, I, Kraniou, G, Papoutsou, S, Keke, D, Petraki, I, Bellou, E, Tanagra, S, Kallianoti, K, Argyropoulou, D, Kondaki, K, Tsikrika, S, Karaiskos, C, Meirhaeghe, A, Sjöström, M, Ruiz, J, Hagströmer, M, Hallström, L, Patterson, E, Kwak, L, Rizzo, N, Hurtig Wennlöf, A, Sánchez Molero, J, Picó, E, Navarro, M, Viadel, B, Carreres, Je, Merino, G, Sanjuán, R, Lorente, M, Sánchez, Mj, Castelló, S, Thomas, S, Allchurch, E, Burguess, P, Astrom, A, Sverkén, A, Broberg, A, Masson, A, Lehoux, C, Brabant, P, Pate, P, Fontaine, L, Sebok, A, Kuti, T, Hegyi, A, Maldonado, C, Llorente, A, Cárnicas Serrano, Sl, García, E, von Fircks, H, Lilja Hallberg, M, Messerer, M, Larsson, M, Fredriksson, H, Adamsson, V, Börjesson, I, Fernández, L, Smillie, L, Wills, J, Albers, U, Pedrero, R, Meléndez, A, Benito, Pj, Cañada, D, Urzanqui, A, Ortiz, Jc, Fuentes, F, Gómez Lorente, Jj, Mardía Torres, R, Navarro, P., European Commission, Swedish Council for Working Life and Social Research, Ministerio de Educación (España), Ministerio de Sanidad y Consumo (España), Ministerio de Ciencia e Innovación (España), Fundação de Amparo à Pesquisa do Estado de São Paulo, Conselho Nacional de Desenvolvimento Científico e Tecnológico (Brasil), Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (Brasil), and Matthys, Christophe
Subjects: Male, NUTRITION AND DIETETICS, CHILDHOOD, Medicine (miscellaneous), Overweight, Body fat percentage, Body Mass Index, clinical-trial, fat, Medicine and Health Sciences, HELENA cross-sectional study, dietary proteins, adolescence, Child, treat obesity, Plant Proteins, 2. Zero hunger, Nutrition and Dietetics, Anthropometry, Age Factors, Lipids, Diet Records, 3. Good health, Europe, Plant protein, HELENA study, Female, Dietary Proteins, medicine.symptom, Underweight, Life Sciences & Biomedicine, energy, medicine.medical_specialty, Meat, Adolescent, Clinical nutrition, Sex Factors, Thinness, children, Internal medicine, Environmental health, medicine, body-weight, Animals, Humans, overweight, Obesity, Exercise, body composition, Science & Technology, Nutrition & Dietetics, business.industry, MEDICINE, Research, biomarkers, medicine.disease, protein intake, disease risk, Diet, chilhood, Endocrinology, Cross-Sectional Studies, Nutrition Assessment, adolescence, business, Energy Intake, nutritional-status, Body mass index
Abstract: Lin, Y. et al., [Background] Previous studies suggest that dietary protein might play a beneficial role in combating obesity and its related chronic diseases. Total, animal and plant protein intakes and their associations with anthropometry and serum biomarkers in European adolescents using one standardised methodology across European countries are not well documented., [Objectives] To evaluate total, animal and plant protein intakes in European adolescents stratified by gender and age, and to investigate their associations with cardio-metabolic indicators (anthropometry and biomarkers)., [Methods] The current analysis included 1804 randomly selected adolescents participating in the HELENA study (conducted in 2006–2007) aged 12.5-17.5 y (47% males) who completed two non-consecutive computerised 24-h dietary recalls. Associations between animal and plant protein intakes, and anthropometry and serum biomarkers were examined with General linear Model multivariate analysis., [Results] Average total protein intake exceeded the recommendations of World Health Organization and European Food Safety Authority. Mean total protein intake was 96 g/d (59% derived from animal protein). Total, animal and plant protein intakes (g/d) were significantly lower in females than in males and total and plant protein intakes were lower in younger participants (12.5-14.9 y). Protein intake was significantly lower in underweight subjects and higher in obese ones; the direction of the relationship was reversed after adjustments for body weight (g/(kg.d)). The inverse association of plant protein intakes was stronger with BMI z-score and body fat percentage (BF%) compared to animal protein intakes. Additionally, BMI and BF% were positively associated with energy percentage of animal protein., [Conclusions] This sample of European adolescents appeared to have adequate total protein intake. Our findings suggest that plant protein intakes may play a role in preventing obesity among European adolescents. Further longitudinal studies are needed to investigate the potential beneficial effects observed in this study in the prevention of obesity and related chronic diseases., The HELENA-study took place with the financial support of the European Community Sixth RTD Framework Programme. This work was also partially supported by the European Union in the framework of the Public Health Programme, the Swedish Council for Working Life and Social Research (FAS), the Spanish Ministry of Education, and the Spanish Ministry of Health, Maternal, Child Health and Development Network and the Spanish Ministry of Science and Innovation AGL2007-29784-E. The content of this paper reflect only the authors' views and the rest of HELENA-study members and the European Community is not liable for any use that may be made of the information contained therein. Augusto César F. de Moraes is in receipt of a PhD scholarship from the São Paulo State Research Foundation (FAPESP: proc. 2011/11137-1 and 2011/20662-2) and Postdoctoral Research Fellow scholarship from National Counsel of Technological and Scientific Development (CNPq: proc. 313772/2014-2); Luis A. Moreno was given scholarship of Visiting Professor from Brazilian government by Science without Borders Program by CNPq and CAPES (Coordination of Improvement of Higher Education Personnel) (proc. 007/2012). The GENUD Research Group co-financed by the European Regional Development Fund (MICINN-FEDER). Many thanks to Petra Pickert, Anke Carstensen and Rosa Maria Torres for their contribution to laboratory work.
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15. Excessive TV viewing and cardiovascular disease risk factors in adolescents. The AVENA cross-sectional study.

Author: Martinez-Gomez D, Rey-López JP, Chillón P, Gómez-Martínez S, Vicente-Rodríguez G, Martín-Matillas M, Garcia-Fuentes M, Delgado M, Moreno LA, Veiga OL, Eisenmann JC, Marcos A, AVENA Study Group, Martinez-Gomez, David, Rey-López, J Pablo, Chillón, Palma, Gómez-Martínez, Sonia, Vicente-Rodríguez, Germán, Martín-Matillas, Miguel, and Garcia-Fuentes, Miguel
Abstract: Background: Excessive television (TV) viewing might play an important role in the development of cardiovascular disease (CVD). The aim of this study was to examine the independent associations between TV viewing and CVD risk factors in adolescents.Methods: A sample of 425 adolescents, aged 13- to 18.5-year-old, was included in this study. Body mass index (BMI), waist circumference (WC), glucose, total cholesterol, triglycerides, HDL-cholesterol, LDL-cholesterol, apolipoprotein (apo) A-1, apo B-100, and lipoprotein(a) levels were determined. A composite CVD risk score was computed based on age-, sex-, sexual maturation- and race-standardized triglycerides, HDL-cholesterol, LDL-cholesterol and glucose. TV viewing was self-reported.Results: Two hundred and twenty-five adolescents (53%) who spent >3 hrs/day watching TV were considered as the "high TV viewing" group. Ninety-nine adolescents (23%) from the total sample were classified as overweight according to International age- and sex-specific BMI values. The high TV viewing group had significantly less favorable values of HDL-cholesterol, glucose, apo A1 and CVD score, independent of age, sex, sexual maturation, race and weight status. There was a significant interaction effect of TV viewing x weight status (P = 0.002) on WC, and the negative influence of TV viewing on WC persisted in the overweight group (P = 0.031) but was attenuated in non-overweight adolescents (P > 0.05).Conclusion: Excessive TV viewing seems to be related to an unfavorable CVD risk factors profile in adolescence. Reducing TV viewing in overweight adolescents might be beneficial to decrease abdominal body fat. [ABSTRACT FROM AUTHOR]
Published: 2010
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16. Physical Activity Is Associated with Attention Capacity in Adolescents

Author: Jérémy Vanhelst, Laurent Béghin, Alain Duhamel, Yannis Manios, Denes Molnar, Sefaan De Henauw, Luis A. Moreno, Francisco B. Ortega, Michael Sjöström, Kurt Widhalm, Frédéric Gottrand, Fréderic Gottrand, Stefaan De Henauw, Marcela González-Gross, Chantal Gilbert, Anthony Kafatos, Christian Libersa, Jackie Sánchez, Mathilde Kersting, Michael Sjöstrom, Dénes Molnár, Jean Dallongeville, Gunnar Hall, Lea Maes, Luca Scalfi, Pilar Meléndez, Jesús Fleta, José A. Casajús, Gerardo Rodríguez, Concepción Tomás, María I. Mesana, Germán Vicente-Rodríguez, Adoración Villarroya, Carlos M. Gil, Ignacio Ara, Juan Revenga, Carmen Lachen, Juan Fernández Alvira, Gloria Bueno, Aurora Lázaro, Olga Bueno, Juan F. León, Jesús Mª Garagorri, Manuel Bueno, Juan Pablo Rey López, Iris Iglesia, Paula Velasco, Silvia Bel, Ascensión Marcos, Julia Wärnberg, Esther Nova, Sonia Gómez, Esperanza Ligia Díaz, Javier Romeo, Ana Veses, Mari Angeles Puertollano, Belén Zapatera, Tamara Pozo, David Martínez, Laurent Beghin, Catalina Iliescu, Juliana Von Berlepsch, Wolfgang Sichert-Hellert, Ellen Koeppen, Dénes Molnar, Eva Erhardt, Katalin Csernus, Katalin Török, Szilvia Bokor, Miklós Angster, Enikö Nagy, Orsolya Kovács, Judit Repásy, Caroline Codrington, María Plada, Angeliki Papadaki, Katerina Sarri, Anna Viskadourou, Christos Hatzis, Michael Kiriakakis, George Tsibinos, Constantine Vardavas, Manolis Sbokos, Eva Protoyeraki, Maria Fasoulaki, Peter Stehle, Klaus Pietrzik, Christina Breidenassel, Andre Spinneker, Jasmin Al-Tahan, Miriam Segoviano, Anke Berchtold, Christine Bierschbach, Erika Blatzheim, Adelheid Schuch, Petra Pickert, Manuel J. Castillo, Ángel Gutiérrez, Jonatan R. Ruiz, Enrique G. Artero, Vanesa España-Romero, David Jiménez-Pavón, Palma Chillón, Magdalena Cuenca-García, Davide Arcella, Elena Azzini, Emma Barrison, Noemi Bevilacqua, Pasquale Buonocore, Giovina Catasta, Laura Censi, Donatella Ciarapica, Paola D'Acapito, Marika Ferrari, Myriam Galfo, Cinzia Le Donne, Catherine Leclercq, Giuseppe Maiani, Beatrice Mauro, Lorenza Mistura, Antonella Pasquali, Raffaela Piccinelli, Angela Polito, Raffaella Spada, Stefania Sette, Maria Zaccaria, Paola Vitaglione, Concetta Montagnese, Ilse De Bourdeaudhuij, Tineke De Vriendt, Christophe Matthys, Carine Vereecken, Mieke de Maeyer, Charlene Ottevaere, Inge Huybrechts, Katharina Phillipp, Sabine Dietrich, Birgit Kubelka, Marion Boriss-Riedl, Eva Grammatikaki, Zoi Bouloubasi, Tina Louisa Cook, Sofia Eleutheriou, Orsalia Consta, George Moschonis, Ioanna Katsaroli, George Kraniou, Stalo Papoutsou, Despoina Keke, Ioanna Petraki, Elena Bellou, Sofia Tanagra, Kostalenia Kallianoti, Dionysia Argyropoulou, Katerina Kondaki, Stamatoula Tsikrika, Christos Karaiskos, Aline Meirhaeghe, Patrick Bergman, María Hagströmer, Lena Hallström, Mårten Hallberg, Eric Poortvliet, Nico Rizzo, Linda Beckman, Anita Hurtig Wennlöf, Emma Patterson, Lydia Kwak, Lars Cernerud, Per Tillgren, Stefaan Sörensen, Jackie Sánchez-Molero, Elena Picó, Maite Navarro, Blanca Viadel, José Enrique Carreres, Gema Merino, Rosa Sanjuán, María Lorente, María José Sánchez, Sara Castelló, Sarah Thomas, Elaine Allchurch, Peter Burguess, Annika Astrom, Anna Sverkén, Agneta Broberg, Annick Masson, Claire Lehoux, Pascal Brabant, Philippe Pate, Laurence Fontaine, Andras Sebok, Tunde Kuti, Adrienn Hegyi, Cristina Maldonado, Ana Llorente, Emilio García, Holger von Fircks, Marianne Lilja Hallberg, Maria Messerer, Mats Larsson, Helena Fredriksson, Viola Adamsson, Ingmar Börjesson, Laura Fernández, Laura Smillie, Josephine Wills, Agustín Meléndez, Pedro J. Benito, Javier Calderón, Jara Valtueña, Paloma Navarro, Alejandro Urzanqui, Ulrike Albers, Raquel Pedrero, Juan José Gómez Lorente, Lille Inflammation Research International Center - U 995 (LIRIC), Institut Pasteur de Lille, Réseau International des Instituts Pasteur (RIIP)-Réseau International des Instituts Pasteur (RIIP)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Lille-Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille), Evaluation des technologies de santé et des pratiques médicales - ULR 2694 (METRICS), Université de Lille-Centre Hospitalier Régional Universitaire [Lille] (CHRU Lille), Inserm, Université de Lille, CHU Lille, Lille Inflammation Research International Center - U 995 [LIRIC], Evaluation des technologies de santé et des pratiques médicales - ULR 2694 [METRICS], Vanhelst, Jérémy, Béghin, Laurent, Duhamel, Alain, Manios, Yanni, Molnar, Dene, De Henauw, Sefaan, Moreno, Luis A, Ortega, Francisco B, Sjöström, Michael, Widhalm, Kurt, Gottrand, Frédéric, Moreno, La, Gottrand, F, De Henauw, S, González Gross, M, Gilbert, C, Kafatos, A, Libersa, C, Sánchez, J, Kersting, M, Sjöstrom, M, Molnár, D, Dallongeville, J, Hall, G, Maes, L, Scalfi, L, Meléndez, P, Fleta, J, Casajús, Ja, Rodríguez, G, Tomás, C, Mesana, Mi, Vicente Rodríguez, G, Villarroya, A, Gil, Cm, Ara, I, Revenga, J, Lachen, C, Alvira, Jf, Bueno, G, Lázaro, A, Bueno, O, León, Jf, Garagorri, Jm, Bueno, M, Rey López, Jp, Iglesia, I, Velasco, P, Bel, S, Marcos, A, Wärnberg, J, Nova, E, Gómez, S, Díaz, El, Romeo, J, Veses, A, Puertollano, Ma, Zapatera, B, Pozo, T, Martínez, D, Beghin, L, Iliescu, C, Von Berlepsch, J, Sichert Hellert, W, Koeppen, E, Molnar, D, Erhardt, E, Csernus, K, Török, K, Bokor, S, Angster, M, Nagy, E, Kovács, O, Repásy, J, Codrington, C, Plada, M, Papadaki, A, Sarri, K, Viskadourou, A, Hatzis, C, Kiriakakis, M, Tsibinos, G, Vardavas, C, Sbokos, M, Protoyeraki, E, Fasoulaki, M, Stehle, P, Pietrzik, K, Breidenassel, C, Spinneker, A, Al Tahan, J, Segoviano, M, Berchtold, A, Bierschbach, C, Blatzheim, E, Schuch, A, Pickert, P, Castillo, Mj, Gutiérrez, Á, Ortega, Fb, Ruiz, Jr, Artero, Eg, España Romero, V, Jiménez Pavón, D, Chillón, P, Cuenca García, M, Arcella, D, Azzini, E, Barrison, E, Bevilacqua, N, Buonocore, P, Catasta, G, Censi, L, Ciarapica, D, D'Acapito, P, Ferrari, M, Galfo, M, Le Donne, C, Leclercq, C, Maiani, G, Mauro, B, Mistura, L, Pasquali, A, Piccinelli, R, Polito, A, Spada, R, Sette, S, Zaccaria, M, Vitaglione, Paola, Montagnese, C, De Bourdeaudhuij, I, De Vriendt, T, Matthys, C, Vereecken, C, de Maeyer, M, Ottevaere, C, Huybrechts, I, Widhalm, K, Phillipp, K, Dietrich, S, Kubelka, B, Boriss Riedl, M, Manios, Y, Grammatikaki, E, Bouloubasi, Z, Cook, Tl, Eleutheriou, S, Consta, O, Moschonis, G, Katsaroli, I, Kraniou, G, Papoutsou, S, Keke, D, Petraki, I, Bellou, E, Tanagra, S, Kallianoti, K, Argyropoulou, D, Kondaki, K, Tsikrika, S, Karaiskos, C, Meirhaeghe, A, Bergman, P, Hagströmer, M, Hallström, L, Hallberg, M, Poortvliet, E, Rizzo, N, Beckman, L, Wennlöf, Ah, Patterson, E, Kwak, L, Cernerud, L, Tillgren, P, Sörensen, S, Sánchez Molero, J, Picó, E, Navarro, M, Viadel, B, Carreres, Je, Merino, G, Sanjuán, R, Lorente, M, Sánchez, Mj, Castelló, S, Thomas, S, Allchurch, E, Burguess, P, Astrom, A, Sverkén, A, Broberg, A, Masson, A, Lehoux, C, Brabant, P, Pate, P, Fontaine, L, Sebok, A, Kuti, T, Hegyi, A, Maldonado, C, Llorente, A, García, E, von Fircks, H, Hallberg, Ml, Messerer, M, Larsson, M, Fredriksson, H, Adamsson, V, Börjesson, I, Fernández, L, Smillie, L, Wills, J, Meléndez, A, Benito, Pj, Calderón, J, Valtueña, J, Navarro, P, Urzanqui, A, Albers, U, Pedrero, R, and Gómez Lorente, J. J.
Subjects: Male, medicine.medical_specialty, Adolescent, Cross-sectional study, Overweight, Motor Activity, 03 medical and health sciences, 0302 clinical medicine, medicine, D2 Test of Attention, [SDV.MHEP.PHY]Life Sciences [q-bio]/Human health and pathology/Tissues and Organs [q-bio.TO], Aerobic exercise, Humans, Attention, 030212 general & internal medicine, Effects of sleep deprivation on cognitive performance, Child, Exercise, 2. Zero hunger, [SDV.MHEP.PED]Life Sciences [q-bio]/Human health and pathology/Pediatrics, business.industry, International Standard Classification of Education, [SDV.NEU.SC]Life Sciences [q-bio]/Neurons and Cognition [q-bio.NC]/Cognitive Sciences, Cognition, Mesh:Adolescent, Mesh:Attention, Mesh:Child, Mesh:Cross-Sectional Studies, Mesh:Exercise, Mesh:Female, Mesh:Humans, Mesh:Male, Mesh:Motor Activity, 030229 sport sciences, Cross-Sectional Studies, Pediatrics, Perinatology and Child Health, Physical therapy, [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie, Female, medicine.symptom, business, Body mass index, Clinical psychology
Abstract: International audience; Objective: To assess the relationships among physical activity, measured objectively, and attention capacity in European adolescents.Study design: The study included 273 adolescents, aged 12.5-17.5 years, who participated in the Healthy Lifestyle in Europe by Nutrition in Adolescence Study. Participants wore a uniaxial accelerometer for 7 days to measure physical activity. The d2 Test of Attention was administered to assess attention capacity. Multivariate analyses were used to study the association of attention capacity with each measure of physical activity. Receiver operating characteristic analysis was performed to determine thresholds that best discriminate between low and good attention capacity.Results: After controlling for potential confounding variables (age, sex, body mass index, parental educational level, fat mass, aerobic fitness, and center), adolescents' attention capacity test performances were significantly and positively associated with longer time spent in moderate or moderate-to-vigorous physical activity (MVPA) in free-living conditions (P < .05). Receiver operating characteristic curve analyses revealed that the physical activity thresholds that best discriminated between low/good attention capacities were ≥41 min·day−1 for moderate, ≥12 min·day−1 for vigorous, and ≥58 min·day−1 for MVPA.Conclusion:These findings suggest that promoting MVPA may be have a beneficial effect on attention capacity, an important component of cognition, in adolescents.
Published: 2015
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17. The Role of Basic Psychological Needs in the Adoption of Healthy Habits by Adolescents.

Author: Mateo-Orcajada A, Vaquero-Cristóbal R, Rey-López JP, Martín-Campoy R, and Abenza-Cano L
Abstract: Previous research in this field has not examined the significance of each of the basic psychological needs (BPNs) on changes in the physical activity level, adherence to the Mediterranean diet (AMD), kinanthropometric and derived variables, and the physical fitness of adolescents. Therefore, the purpose of this study was (a) to examine the variances in physical activity, AMD, and kinanthropometric and derived variables, as well as fitness levels, among adolescents with varying degrees of satisfaction regarding each of the BPNs and (b) to assess the differences in the study variables among adolescents based on whether the BPNs are satisfied individually or jointly. The sample consisted of 791 adolescents (404 males and 387 females; average age: 14.39 ± 1.26 years old). The findings indicated that adolescents in the highest percentiles (75-100) of competence, autonomy, or relatedness showed higher scores in physical activity and AMD and better kinanthropometric and physical fitness variables than adolescents in the lowest percentiles (0-25). Adolescents who showed joint satisfaction of all BPNs showed the best results on all variables analyzed. In addition, it should be noted that competence played the most relevant role.
Published: 2023
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18. Physical Activity Intensity Measurement and Health: State of the Art and Future Directions for Scientific Research.

Author: Rey-López JP, Lee DH, Ferrari G, Giovannucci E, and Rezende LFM
Subjects: Adult, Humans, Calorimetry, Indirect, Health Promotion, Calibration, Accelerometry, Exercise, Wrist
Abstract: Physical activity guidelines for health recommend any type of unstructured physical activity for health promotion. Adults should perform at least 150-300 min per week of moderate intensity or 75-150 min per week of vigorous intensity activities, or an equivalent combination of the two intensities. However, the relationship between physical activity intensity and longevity remains a debated topic, with conflicting perspectives offered by epidemiologists, clinical exercise physiologists or anthropologists. This paper addresses the current known role of physical activity intensity (in particular vigorous versus moderate intensity) on mortality and the existing problems of measurement. Given the diversity of existing proposals to categorize physical activity intensity, we call for a common methodology. Device-based physical activity measurements (e.g., wrist accelerometers) have been proposed as a valid method to measure physical activity intensity. An appraisal of the results reported in the literature, however, highlights that wrist accelerometers have not yet demonstrated sufficient criterion validity when they are compared to indirect calorimetry. Novel biosensors and wrist accelerometers will help us understand how different metrics of physical activity relates to human health, however, all these technologies are not enough mature to provide personalized applications for healthcare or sports performance.
Published: 2023
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19. Association of the "Weekend Warrior" and Other Leisure-time Physical Activity Patterns With All-Cause and Cause-Specific Mortality: A Nationwide Cohort Study.

Author: Dos Santos M, Ferrari G, Lee DH, Rey-López JP, Aune D, Liao B, Huang W, Nie J, Wang Y, Giovannucci E, and Rezende LFM
Subjects: Adult, Cause of Death, Cohort Studies, Exercise, Female, Humans, Leisure Activities, Male, Prospective Studies, Cardiovascular Diseases, Neoplasms
Abstract: Importance: It is unclear whether the weekly recommended amount of moderate to vigorous physical activity (MVPA) has the same benefits for mortality risk when activity sessions are spread throughout the week vs concentrated in fewer days., Objective: To examine the association of weekend warrior and other patterns of leisure-time physical activity with all-cause and cause-specific mortality., Design, Setting, and Participants: This large nationwide prospective cohort study included 350 978 adults who self-reported physical activity to the US National Health Interview Survey from 1997 to 2013. Participant data were linked to the National Death Index through December 31, 2015., Exposures: Participants were grouped by self-reported activity level: physically inactive (<150 minutes per week [min/wk] of MVPA) or physically active (≥150 min/wk of moderate or ≥75 min/wk of vigorous activity). The active group was further classified by pattern: weekend warrior (1-2 sessions/wk) or regularly active (≥3 session/wk); and then, by frequency, duration/session, and intensity of activity., Main Outcomes and Measures: All-cause, cardiovascular disease (CVD), and cancer mortality. Statistical analyses were performed in April 2022., Results: A total of 350 978 participants (mean [SD] age, 41.4 [15.2] years; 192 432 [50.8%] women; 209 432 [67.8%] Non-Hispanic White) were followed during a median of 10.4 years (3.6 million person-years). There were 21 898 deaths documented, including 4130 from CVD and 6034 from cancer. Compared with physically inactive participants, hazard ratios (HR) for all-cause mortality were 0.92 (95% CI, 0.83-1.02) for weekend warrior and 0.85 (95% CI, 0.83-0.88) for regularly active participants; findings for cause-specific mortality were similar. Given the same amount of total MVPA, weekend warrior participants had similar all-cause and cause-specific mortality rates as regularly active participants. The HRs for weekend warrior vs regularly active participants were 1.08 (95% CI, 0.97-1.20) for all-cause mortality; 1.14 (95% CI, 0.85-1.53) for CVD mortality; and 1.07 (95% CI, 0.87-1.31) for cancer mortality., Conclusions and Relevance: The findings of this large prospective cohort study suggest that individuals who engage in active patterns of physical activity, whether weekend warrior or regularly active, experience lower all-cause and cause-specific mortality rates than inactive individuals. Significant differences were not observed for all-cause or cause-specific mortality between weekend warriors and regularly active participants after accounting for total amount of MVPA; therefore, individuals who engage in the recommended levels of physical activity may experience the same benefit whether the sessions are performed throughout the week or concentrated into fewer days.
Published: 2022
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20. Research partnerships between Coca-Cola and health organizations in Spain.

Author: Rey-López JP and Gonzalez CA
Subjects: Conflict of Interest, Humans, Interinstitutional Relations, Nutritional Sciences organization & administration, Spain, Biomedical Research organization & administration, Carbonated Beverages, Food Industry organization & administration, Public Health ethics
Abstract: Background: The reduction of soda intake in the population remains an important goal to improve population health. Concerns exist about how industry-sponsored studies in nutrition tend to favour the interest of the sponsor. We describe the scope of partnerships between Coca-Cola and health organizations in Spain, examining marketing strategies contained in scientific papers funded by Coca-Cola., Methods: Funding for health organizations in Spain during 2010-2016 was retrieved of the Coca-Cola transparency list. We systematically searched research projects and publications (by PubMed) of all the recipient organizations. In addition, we characterize the research agenda and the level of alignment of sponsored authors with marketing strategies used by Coca-Cola., Results: A total of 74 health organizations received funding from Coca-Cola between 2010 and 2016. Nutritional and cardiology organizations received the highest financial support. A total of 20 articles derived of two research projects were identified. Most publications (14 out of 20) were aligned with marketing strategies used by Coca-Cola (e.g. focusing on physical inactivity as the main cause of obesity). Authors identified did not disclose having previous conflicts of interest., Conclusion: In Spain, numerous health organizations receive financial support from Coca-Cola. We provide evidence that research funded by this beverage company is serving its commercial objectives that, in many cases, are at odds with efforts to improve population health. Problems with transparency among authors and the recipient organizations imply that we are offering very conservative estimates about the impact of this company on public health., (© The Author(s) 2018. Published by Oxford University Press on behalf of the European Public Health Association. All rights reserved.)
Published: 2019
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21. Commentaries on Viewpoint: Rejuvenation of the term sarcopenia.

Author: Langer HT, Mossakowski AA, Baar K, Alcazar J, Martin-Rincon M, Alegre LM, Ara I, Calbet JAL, Hinkley JM, Coen PM, Irving BA, Allerton TD, Nair S, Lima RM, Rey-López JP, Scott D, Daly RM, Ebeling PR, Hayes A, Tessier AJ, Chevalier S, Yates BA, Brown LR, Storer TW, Westcott WL, Nifli AP, Musci RV, Konopka AR, Hamilton KL, and Hepple RT
Subjects: Humans, Muscle, Skeletal, Rejuvenation, Sarcopenia
Published: 2019
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22. Physical activity and cancer: an umbrella review of the literature including 22 major anatomical sites and 770 000 cancer cases.

Author: Rezende LFM, Sá TH, Markozannes G, Rey-López JP, Lee IM, Tsilidis KK, Ioannidis JPA, and Eluf-Neto J
Subjects: Breast Neoplasms, Colonic Neoplasms, Humans, Incidence, Risk Factors, Exercise, Neoplasms epidemiology
Abstract: Objective: To provide an overview of the breadth and validity of claimed associations between physical activity and risk of developing or dying from cancer., Design: Umbrella review., Data Sources: We searched Medline, Embase, Cochrane Database and Web of Science., Eligibility Criteria for Selecting Studies: Systematic reviews about physical activity and cancer incidence and cancer mortality in different body sites among general population., Results: We included 19 reviews covering 22 cancer sites, 26 exposure-outcome pairs meta-analyses and 541 original studies. Physical activity was associated with lower risk of seven cancer sites (colon, breast, endometrial, lung, oesophageal, pancreas and meningioma). Only colon (a protective association with recreational physical activity) and breast cancer (a protective association with overall physical activity) were supported by strong evidence and highly suggestive evidence, respectively. Evidence from endometrial, lung, oesophageal, pancreas and meningioma presented hints of uncertainty and bias in the literature ( eg, not reaching P values<10 -6 ) showing large between-study heterogeneity and/or not demonstrating a definite direction for the effect when 95% prediction intervals were considered. Four of the 26 meta-analyses showed small study effects and 4 showed excess significance., Conclusion: Physical activity is associated with a lower risk of several cancers, but only colon and breast cancer associations were supported by strong or highly suggestive evidence, respectively. Evidence from other cancer sites was less consistent, presenting hints of uncertainty and/or bias., Competing Interests: Competing interests: None declared., (© Article author(s) (or their employer(s) unless otherwise stated in the text of the article) 2018. All rights reserved. No commercial use is permitted unless otherwise expressly granted.)
Published: 2018
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23. Reporting bias in the literature on the associations of health-related behaviors and statins with cardiovascular disease and all-cause mortality.

Author: de Rezende LFM, Rey-López JP, de Sá TH, Chartres N, Fabbri A, Powell L, Stamatakis E, and Bero L
Subjects: Health Risk Behaviors, Humans, Hydroxymethylglutaryl-CoA Reductase Inhibitors adverse effects, Risk Factors, Systematic Reviews as Topic, Cardiovascular Diseases mortality, Cardiovascular Diseases prevention & control, Health Behavior, Hydroxymethylglutaryl-CoA Reductase Inhibitors therapeutic use, Primary Prevention statistics & numerical data, Publication Bias statistics & numerical data
Abstract: Reporting bias in the literature occurs when there is selective revealing or suppression of results, influenced by the direction of findings. We assessed the risk of reporting bias in the epidemiological literature on health-related behavior (tobacco, alcohol, diet, physical activity, and sedentary behavior) and cardiovascular disease mortality and all-cause mortality and provided a comparative assessment of reporting bias between health-related behavior and statin (in primary prevention) meta-analyses. We searched Medline, Embase, Cochrane Methodology Register Database, and Web of Science for systematic reviews synthesizing the associations of health-related behavior and statins with cardiovascular disease mortality and all-cause mortality published between 2010 and 2016. Risk of bias in systematic reviews was assessed using the ROBIS tool. Reporting bias in the literature was evaluated via small-study effect and excess significance tests. We included 49 systematic reviews in our study. The majority of these reviews exhibited a high overall risk of bias, with a higher extent in health-related behavior reviews, relative to statins. We reperformed 111 meta-analyses conducted across these reviews, of which 65% had statistically significant results (P < 0.05). Around 22% of health-related behavior meta-analyses showed small-study effect, as compared to none of statin meta-analyses. Physical activity and the smoking research areas had more than 40% of meta-analyses with small-study effect. We found evidence of excess significance in 26% of health-related behavior meta-analyses, as compared to none of statin meta-analyses. Half of the meta-analyses from physical activity, 26% from diet, 18% from sedentary behavior, 14% for smoking, and 12% from alcohol showed evidence of excess significance bias. These biases may be distorting the body of evidence available by providing inaccurate estimates of preventive effects on cardiovascular and all-cause mortality., Competing Interests: The authors have declared that no competing interests exist.
Published: 2018
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24. Physical Activity and Sedentary Behaviors Levels of Kuwaiti Adolescents: The Study of Health and Activity Among Adolescents in Kuwait.

Author: Hashem R, Rey-López JP, Hamer M, McMunn A, Whincup PH, Owen CG, Rowlands A, and Stamatakis E
Subjects: Adolescent, Cross-Sectional Studies, Female, Humans, Kuwait, Male, Social Class, Accelerometry methods, Exercise physiology, Sedentary Behavior
Abstract: Background: There is only scarce number of studies available describing the lifestyle of adolescents living in Arab countries. Hence, we described physical activity (PA) and sedentary behaviors patterns among Kuwaiti adolescents and the associations with parental education., Methods: Cross-sectional data from 435 adolescents (201 boys and 234 girls) were collected from the Study of Health and Activity among Adolescents in Kuwait conducted between 2012 and 2013. Outcome variables included PA (ActiGraph GT1M accelerometers) and sedentary behaviors. Exposure variable was parental education. Descriptive and multiple logistic regression analyses were used to examine the association between parental education and outcome variables., Results: Total sedentary time (minutes per day) was higher in girls [568.2 (111.6)] than in boys [500.0 (102.0)], whereas boys accumulated more minutes in light, moderate, and vigorous PA (all Ps ≤ .001). In total, 3.4% of adolescents spent ≥60 minutes per day of moderate to vigorous PA (by accelerometry), while only 21% met the screen time guidelines. Low/medium maternal education was associated with a higher odds of exceeding screen time guidelines (odds ratio = 2.09; 95% confidence interval, 1.09-4.02)., Conclusions: Most Kuwaiti adolescents in this sample were physically inactive and exceeded screen time guidelines. Objective PA was not socially patterned, yet an inverse association between maternal education and screen time behaviors was found.
Published: 2018
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25. Comment on: "Health Benefits of Light-Intensity Physical Activity: A Systematic Review of Accelerometer Data of the National Health and Nutrition Examination Survey (NHANES)".

Author: Rey-López JP
Subjects: Accelerometry, Humans, United States, Exercise, Nutrition Surveys
Published: 2018
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26. Why precision medicine is not the best route to a healthier world.

Author: Rey-López JP, Sá TH, and Rezende LFM
Subjects: Brazil, Delivery of Health Care economics, Delivery of Health Care trends, Health Expenditures, Humans, Risk Factors, Delivery of Health Care methods, Health, Precision Medicine economics
Abstract: Precision medicine has been announced as a new health revolution. The term precision implies more accuracy in healthcare and prevention of diseases, which could yield substantial cost savings. However, scientific debate about precision medicine is needed to avoid wasting economic resources and hype. In this commentary, we express the reasons why precision medicine cannot be a health revolution for population health. Advocates of precision medicine neglect the limitations of individual-centred, high-risk strategies (reduced population health impact) and the current crisis of evidence-based medicine. Overrated "precision medicine" promises may be serving vested interests, by dictating priorities in the research agenda and justifying the exorbitant healthcare expenditure in our finance-based medicine. If societies aspire to address strong risk factors for non-communicable diseases (such as air pollution, smoking, poor diets, or physical inactivity), they need less medicine and more investment in population prevention strategies.
Published: 2018
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27. All-Cause Mortality Attributable to Sitting Time: Analysis of 54 Countries Worldwide.

Author: Rezende LFM, Sá TH, Mielke GI, Viscondi JYK, Rey-López JP, and Garcia LMT
Subjects: Global Health, Humans, Life Expectancy, Risk Factors, Cause of Death, Mortality trends, Sedentary Behavior
Abstract: Introduction: Recent studies have shown that sitting time is associated with increased risk of all-cause mortality, independent of moderate to vigorous physical activity. Less is known about the population-attributable fraction for all-cause mortality associated with sitting time, and the gains in life expectancy related to the elimination of this risk factor., Methods: In November 2015, data were gathered from one published meta-analysis, 54 adult surveys on sitting time distribution (from 2002 to 2011), in conjunction with national statistics on population size, life table, and overall deaths. Population-attributable fraction for all-cause mortality associated with sitting time >3 hours/day was estimated for each country, WHO regions, and worldwide. Gains in life expectancy related to the elimination of sitting time >3 hours/day was estimated using life table analysis., Results: Sitting time was responsible for 3.8% of all-cause mortality (about 433,000 deaths/year) among those 54 countries. All-cause mortality due to sitting time was higher in the countries from the Western Pacific region, followed by European, Eastern Mediterranean, American, and Southeast Asian countries. Eliminating sitting time would increase life expectancy by 0.20 years in those countries., Conclusions: Assuming that the effect of sitting time on all-cause mortality risk is independent of physical activity, reducing sitting time plays an important role in active lifestyle promotion, which is an important aspect of premature mortality prevention worldwide., (Copyright © 2016 American Journal of Preventive Medicine. Published by Elsevier Inc. All rights reserved.)
Published: 2016
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28. Rey-López et al. respond to "the metabolically healthy obesity phenotype".

Author: Rey-López JP, de Rezende LF, de Sá TH, and Stamatakis E
Subjects: Health Status, Humans, Obesity physiopathology, Obesity metabolism, Phenotype
Published: 2015
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29. Is the metabolically healthy obesity phenotype an irrelevant artifact for public health?

Author: Rey-López JP, de Rezende LF, de Sá TH, and Stamatakis E
Subjects: Humans, Phenotype, Prevalence, Public Health, United States epidemiology, Obesity, Metabolically Benign classification, Obesity, Metabolically Benign epidemiology, Obesity, Metabolically Benign prevention & control
Abstract: Some obese persons do not develop (at least in the short term) the metabolic complications of obesity that are thought to be causally linked to cardiovascular events or premature mortality. This phenomenon has been termed "metabolically healthy obesity" (MHO), and it has received much attention recently, to the extent that some authors argue that "new metrics" must be developed to estimate the risk associated with obesity beyond body mass index. In this commentary, we argue that the MHO phenotype is not benign and as such has very limited relevance as a public health target. More efforts must be allocated to reducing the distal and actual causal agents that lead to weight gain, instead of the current disproportionate scientific interest in the biological processes that explain the heterogeneity of obesity., (© The Author 2015. Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.)
Published: 2015
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30. Environmental Interventions Are Needed to Provide Sustained Physical Activity Changes.

Author: de Rezende LF and Rey-López JP
Subjects: Humans, Energy Metabolism, Motor Activity physiology
Published: 2015
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31. Effects of Eight Months of Whole-Body Vibration Training on the Muscle Mass and Functional Capacity of Elderly Women.

Author: Santin-Medeiros F, Rey-López JP, Santos-Lozano A, Cristi-Montero CS, and Garatachea Vallejo N
Subjects: Aged, Aged, 80 and over, Female, Gait, Hand Strength, Humans, Outcome Assessment, Health Care, Postural Balance, Activities of Daily Living, Physical Therapy Modalities, Quadriceps Muscle anatomy & histology, Vibration
Abstract: Few intervention studies have used whole-body vibration (WBV) training in the elderly, and there is inconclusive evidence about its health benefits. We examined the effect of 8 months of WBV training on muscle mass and functional capacity in elderly women. A total of 37 women (aged 82.4 ± 5.7 years) voluntarily participated in this study. Subjects were randomly assigned to a vibration group (n = 19) or a control group (n = 18). The vibration group trained on a vertical vibration platform twice a week. The control group was requested not to change their habitual lifestyle. The quadriceps femoris muscle cross-sectional area was determined by magnetic resonance imaging. All participants were evaluated by a battery of tests (Senior Fitness Test) to determine their functional capacity, as well as handgrip strength and balance/gait. General linear repeated-measure analysis of variance (group by time) was performed to examine the effect of the intervention on the outcomes variables. After 8 months, nonstatistically significant differences in the quadriceps CSA (pre-training: 8,516.16 ± 1,271.78 mm² and post-training: 8,671.63 ± 1,389.03 mm²) (p > 0.05) were found in the WBV group (Cohen's d: -0.12), whereas the CON group significantly decreased muscle mass (pre-training: 9,756.18 ± 1,420.07 mm² and post-training: 9,326.82 ± 1,577.53 mm²), with moderate effect size evident (Cohen's d: 0.29). In both groups, no changes were observed in the functional capacity, handgrip strength and balance/gait. The WBV training could prevent the loss of quadriceps CSA in elderly women.
Published: 2015
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32. Effects of eight months of whole body vibration training on hip bone mass in older women.

Author: Santin-Medeiros F, Santos-Lozano A, Rey-López JP, and Vallejo NG
Subjects: Absorptiometry, Photon, Aged, Aged, 80 and over, Bone Density, Exercise, Female, Humans, Osteogenesis, Bone and Bones anatomy & histology, Pelvic Bones anatomy & histology, Physical Education and Training methods, Vibration
Abstract: Objective: the aim of this study was to examine the effect of 8 months of whole-body vibration training on bone mass in octogenarian women., Method: Thirty-seven women (aged 82.4 [SD=5.7] years) voluntarily participated in this study. The vibration group (n=19) trained on a vibration platform twice a week (20 Hz and 2 mm) whereas controls (n=18) did not participate in any training program. Bone mass was measured by dual-energy X-ray absorptiometry at the hip region. General linear repeated measures ANOVA (group by time) was used to examine the effect of whole body vibration on bone mass changes., Results: After the intervention, in all the hip regions (total hip, femoral neck, trochanter, intertrochanter, Ward's area), no statistically significant changes in bone mass were found., Conclusion: eight months of whole body vibration training (twice a week) in elderly women do not produce osteogenic effects., (Copyright AULA MEDICA EDICIONES 2014. Published by AULA MEDICA. All rights reserved.)
Published: 2015
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33. The prevalence of metabolically healthy obesity: a systematic review and critical evaluation of the definitions used.

Author: Rey-López JP, de Rezende LF, Pastor-Valero M, and Tess BH
Subjects: Biomarkers blood, Body Composition, Body Mass Index, Cross-Sectional Studies, Health Behavior, Humans, Obesity classification, Obesity metabolism, Prevalence, Prospective Studies, Blood Glucose physiology, Blood Pressure physiology, Cholesterol, HDL blood, Obesity epidemiology, Triglycerides blood
Abstract: We performed a systematic review of the prevalence of metabolically healthy obesity (MHO). Medline, Web of Science and EMBASE were searched for original articles from inception to November 2013. Only prospective and cross-sectional studies were included. After screening 478 titles, we selected 55 publications, of which 27 were population-based studies and were used in the narrative synthesis. From the 27 studies, we identified 30 definitions of metabolic health, mainly based on four criteria: blood pressure, high-density lipoprotein cholesterol, triglycerides and plasma glucose. Body mass index ≥30 kg m(-2) was the main indicator used to define obesity (74% of the studies). Overall, MHO prevalence ranged between 6% and 75%. In the studies that stratified the analysis by sex, prevalence was higher in women (seven out of nine studies) and in younger ages (all four studies). One-third of the studies (n = 9) reported the response rate. Of these, four reported a response rate of ≥70% and they showed MHO prevalence estimates between 10% and 51%. The heterogeneity of MHO prevalence estimates described in this paper strengthens calls for the urgent need for a commonly established metabolic health definition., (© 2014 The Authors. obesity reviews © 2014 World Obesity.)
Published: 2014
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34. Sedentary behavior and health outcomes: an overview of systematic reviews.

Author: de Rezende LF, Rodrigues Lopes M, Rey-López JP, Matsudo VK, and Luiz Odo C
Subjects: Adolescent, Adult, Female, Humans, Male, Activities of Daily Living, Health Status, Sedentary Behavior
Abstract: Objective: 1) To synthesize the current observational evidence for the association between sedentary behavior and health outcomes using information from systematic reviews. 2) To assess the methodological quality of the systematic reviews found., Methodology/principal Findings: Medline; Excerpta Medica (Embase); PsycINFO; and Web of Science were searched for reviews published up to September 2013. Additional publications were provided by Sedentary Behaviour Research Network members. The methodological quality of the systematic reviews was evaluated using recommended standard criteria from AMSTAR. For each review, improper use of causal language in the description of their main results/conclusion was evaluated. Altogether, 1,044 review titles were identified, 144 were read in their entirety, and 27 were included. Based on the systematic reviews with the best methodological quality, we found in children and adolescents, strong evidence of a relationship between time spent in sedentary behavior and obesity. Moreover, moderate evidence was observed for blood pressure and total cholesterol, self-esteem, social behavior problems, physical fitness and academic achievement. In adults, we found strong evidence of a relationship between sedentary behavior and all-cause mortality, fatal and non-fatal cardiovascular disease, type 2 diabetes and metabolic syndrome. In addition, there is moderate evidence for incidence rates of ovarian, colon and endometrial cancers., Conclusions: This overview based on the best available systematics reviews, shows that sedentary behavior may be an important determinant of health, independently of physical activity. However, the relationship is complex because it depends on the type of sedentary behavior and the age group studied. The relationship between sedentary behavior and many health outcomes remains uncertain; thus, further studies are warranted.
Published: 2014
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35. Sleep time during adolescence and risk of overweight: an implausible relationship.

Author: Rey-López JP
Subjects: Female, Humans, Male, Metabolic Syndrome epidemiology, Overweight epidemiology, Sleep Wake Disorders epidemiology
Published: 2014
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36. Sedentary behavior and health outcomes among older adults: a systematic review.

Author: de Rezende LF, Rey-López JP, Matsudo VK, and do Carmo Luiz O
Subjects: Aged, Aged, 80 and over, Biomarkers blood, Female, Humans, Male, Mental Health, Risk Factors, Metabolic Syndrome etiology, Mortality, Overweight etiology, Sedentary Behavior
Abstract: Background: In the last decade, sedentary behavior has emerged as a new risk factor for health. The elderly spend most of their awake time in sedentary activities. Despite this high exposure, the impact of this sedentary behavior on the health of this population has not yet been reviewed. We systematically reviewed evidence for associations between sedentary behavior and multiple health outcomes in adults over 60 years of age., Methods: We searched the Medline, Embase, Web of Science, SPORTDiscus, PsycINFO, CINAHL, LILLACS, and Sedentary Research Database for observational studies published up to May 2013. Additionally, we contacted members of the Sedentary Behaviour Research Network to identify articles that were potentially eligible. After inclusion, the methodological quality of the evidence was assessed in each study., Results: We included 24 eligible articles in our systematic review, of which only 2 (8%) provided high-quality evidence. Greater sedentary time was related to an increased risk of all-cause mortality in the older adults. Some studies with a moderate quality of evidence indicated a relationship between sedentary behavior and metabolic syndrome, waist circumference, and overweightness/obesity. The findings for other outcomes such as mental health, renal cancer cells, and falls remain insufficient to draw conclusions., Conclusion: This systematic review supports the relationship between sedentary behavior and mortality in older adults. Additional studies with high methodological quality are still needed to develop informed guidelines for addressing sedentary behavior in older adults.
Published: 2014
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37. The relative role of diet and physical activity in obesity.

Author: Rey-López JP
Subjects: Female, Humans, Male, Adiposity physiology, Energy Intake physiology, Life Style, Motor Activity physiology, Nutritional Status
Published: 2014
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38. Sleep time and cardiovascular risk factors in adolescents: the HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study.

Author: Rey-López JP, de Carvalho HB, de Moraes AC, Ruiz JR, Sjöström M, Marcos A, Polito A, Gottrand F, Manios Y, Kafatos A, Molnar D, Widhalm K, De Henauw S, and Moreno LA
Subjects: Accelerometry, Adolescent, Adolescent Behavior, Child, Confounding Factors, Epidemiologic, Cross-Sectional Studies, Europe epidemiology, Female, Health Surveys, Humans, Life Style, Male, Physical Fitness, Prevalence, Regression Analysis, Risk Factors, Cardiovascular Diseases epidemiology, Metabolic Diseases epidemiology, Sleep, Sleep Wake Disorders epidemiology
Abstract: Objective: We aimed to examine the association between adolescents' sleep time and a cardiometabolic risk score. A second aim was to examine associations between sleep time and individual cardiometabolic risk factors., Methods: Adolescents (N=699; ages, 12.5-17.5 years) participating in the HELENA (Healthy Lifestyle in Europe by Nutrition in Adolescence) study were examined. Sleep time was reported by a questionnaire. Physical activity (PA) was assessed by accelerometry (n=497). Cardiometabolic risk factors measurements included insulin resistance, blood pressure, adiposity markers, cardiorespiratory fitness, and blood lipids. A cardiovascular disease risk score was computed. Associations were examined by a multilevel regression analysis (linear for individual risk factors and Poisson for the clustered risk score)., Results: For school days no association was found between sleep time and cardiometabolic risk factors. At weekend days, the prevalence ratio (PR) of having a clustered risk score increased by 15% for each additional hour of sleep controlling for age, sex, and socioeconomic status (SES); however, the prevalence disappeared when adjusting for PA., Conclusions: In European adolescents sleep time is not associated with cardiometabolic risk factors when important confounders are considered. Future research about sleep cardiovascular risk factors should register other sleep dimensions (sleep patterns or disturbances) to provide a better insight in this scientific field., (Copyright © 2013 Elsevier B.V. All rights reserved.)
Published: 2014
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39. Sedentary behaviour and clustered metabolic risk in adolescents: the HELENA study.

Author: Rey-López JP, Bel-Serrat S, Santaliestra-Pasías A, de Moraes AC, Vicente-Rodríguez G, Ruiz JR, Artero EG, Martínez-Gómez D, Gottrand F, De Henauw S, Huybrechts I, Polito A, Molnar D, Manios Y, and Moreno LA
Subjects: Accelerometry, Adolescent, Cardiovascular Diseases blood, Cardiovascular Diseases etiology, Cross-Sectional Studies, Europe epidemiology, Female, Humans, Leisure Activities, Male, Metabolic Diseases blood, Metabolic Diseases etiology, Motor Activity, Poisson Distribution, Prevalence, Risk Factors, Schools, Sex Characteristics, Television, Video Games adverse effects, Adolescent Behavior, Cardiovascular Diseases epidemiology, Metabolic Diseases epidemiology, Sedentary Behavior
Abstract: Background and Aims: Although sedentary behaviours are linked with mortality for cardiovascular reasons, it is not clear whether they are negatively related with cardio-metabolic risk factors. The aim was to examine the association between time engaged in television (TV) viewing or playing with videogames and a clustered cardio-metabolic risk in adolescents., Methods and Results: Sedentary behaviours and physical activity were assessed in 769 adolescents (376 boys, aged 12.5-17.5 years) from the HELENA-CSS study. We measured systolic blood pressure, HOMA index, triglycerides, TC/HDL-c, VO₂max and the sum of four skinfolds, and a clustered metabolic risk index was computed. A multilevel regression model (by Poisson) was performed to calculate the prevalence ratio of having a clustered metabolic risk. In boys, playing >4 h/day with videogames (weekend) and moderate to vigorous PA (MVPA) was associated with cardio-metabolic risk after adjustment for age, maternal education and MVPA. In contrast, TV viewing was not associated with the presence of cardio-metabolic risk., Conclusion: In boys, playing with videogames may impair cardio-metabolic health during the adolescence. Adolescents should be encouraged to increase their participation in physical activity of at least moderate intensity to obtain a more favourable risk factor profile., (Copyright © 2012 Elsevier B.V. All rights reserved.)
Published: 2013
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40. Obesity and sedentarism in children and adolescents: what should be bone?

Author: Santaliestra-Pasías AM, Rey-López JP, and Moreno Aznar LA
Subjects: Adolescent, Child, Eating, Female, Health Education, Humans, Male, Television, Pediatric Obesity epidemiology, Sedentary Behavior
Abstract: Paediatric overweight continues to be a public health problem, and the etiology of obesity is multifactorial and complex. Dietary patterns, physical activity (PA) and sedentary behaviors are acknowledged as major behavioural determinants of obesity. New technologies and electronic based activities have produced a decrease in PA levels, and an increase in sedentary activities in children and adolescents. Potential mechanisms that explain the association between TV viewing and childhood obesity are: displacement of PA, unhealthy food preferences produced by food advertisements, a higher energy intake by automatic eating and overconsumption caused by distraction. Interventions aimed to reduce time in sedentary behaviours are in children generally positive. However, their benefits on adiposity markers are small. Thus, if global and macro-level obesogenic factors are not changed substantially, the interventions oriented to prevent obesity will produce small benefits., (Copyright © AULA MEDICA EDICIONES 2013. Published by AULA MEDICA. All rights reserved.)
Published: 2013
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41. Re: "longevity in male and female joggers: the Copenhagen City Heart Study".

Author: Rey-López JP
Subjects: Female, Humans, Male, Jogging statistics & numerical data, Longevity, Mortality
Published: 2013
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42. Independent and combined effects of physical activity and sedentary behavior on blood pressure in adolescents: gender differences in two cross-sectional studies.

Author: de Moraes AC, Carvalho HB, Rey-López JP, Gracia-Marco L, Beghin L, Kafatos A, Jiménez-Pavón D, Molnar D, De Henauw S, Manios Y, Widhalm K, Ruiz JR, Ortega FB, Sjöström M, Polito A, Pedrero-Chamizo R, Marcos A, Gottrand F, and Moreno LA
Subjects: Adolescent, Child, Cross-Sectional Studies, Female, Humans, Linear Models, Male, Sex Distribution, Surveys and Questionnaires, Blood Pressure, Exercise, Sedentary Behavior
Abstract: Objectives: To examine the independent and combined association of physical activity (PA) and sedentary behavior (SB) on both systolic (SBP) and diastolic blood pressure (DBP) in adolescents from two observational studies., Methods: Participants from two cross-sectional studies, one conducted in Europe (n = 3,308; HELENA study) and the other in Brazil (n = 991; BRACAH study), were selected by complex sampling. Systolic and diastolic blood pressure (outcomes), PA and SB, both independently and combined, and potential confounders were analyzed. Associations were examined by multilevel linear regression., Results: Performing the recommended amount of PA (≥ 60 min/d) attenuated the effect of SB on DBP in BRACAH study girls and in boys from both studies. In contrast, PA did not attenuate the effects of SB on the SBP of girls in the HELENA study. The combination of less than recommended levels of PA with 2-4 h/d of sedentary behavior was found to be associated with increased SBP in boys from both studies., Conclusions: Meeting current PA recommendations could mediate the association between SB and DBP in both sexes. In boys, the joint effect of low levels of PA and excessive sedentary activity increases SBP levels. Longitudinal studies are required to confirm these findings.
Published: 2013
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43. Sedentary behaviours and its association with bone mass in adolescents: the HELENA Cross-Sectional Study.

Author: Gracia-Marco L, Rey-López JP, Santaliestra-Pasías AM, Jiménez-Pavón D, Díaz LE, Moreno LA, and Vicente-Rodríguez G
Subjects: Adolescent, Cross-Sectional Studies, Female, Humans, Linear Models, Male, Spain, Sports statistics & numerical data, Time Factors, Adolescent Behavior physiology, Bone Density, Sedentary Behavior
Abstract: Background: We aimed to examine whether time spent on different sedentary behaviours is associated with bone mineral content (BMC) in adolescents, after controlling for relevant confounders such as lean mass and objectively measured physical activity (PA), and if so, whether extra-curricular participation in osteogenic sports could have a role in this association., Methods: Participants were 359 Spanish adolescents (12.5-17.5 yr, 178 boys,) from the HELENA-CSS (2006-07). Relationships of sedentary behaviours with bone variables were analysed by linear regression. The prevalence of low BMC (at least 1SD below the mean) and time spent on sedentary behaviours according to extracurricular sport participation was analysed by Chi-square tests., Results: In boys, the use of internet for non-study was negatively associated with whole body BMC after adjustment for lean mass and moderate to vigorous PA (MVPA). In girls, the time spent studying was negatively associated with femoral neck BMC. Additional adjustment for lean mass slightly reduced the negative association between time spent studying and femoral neck BMC. The additional adjustment for MVPA did not change the results at this site. The percentage of girls having low femoral neck BMC was significantly smaller in those participating in osteogenic sports (≥ 3 h/week) than in the rest, independently of the cut-off selected for the time spent studying., Conclusions: The use of internet for non-study (in boys) and the time spent studying (in girls) are negatively associated with whole body and femoral neck BMC, respectively. In addition, at least 3 h/week of extra-curricular osteogenic sports may help to counteract the negative association of time spent studying on bone health in girls.
Published: 2012
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44. Vitamin D status and physical activity interact to improve bone mass in adolescents. The HELENA Study.

Author: Valtueña J, Gracia-Marco L, Vicente-Rodríguez G, González-Gross M, Huybrechts I, Rey-López JP, Mouratidou T, Sioen I, Mesana MI, Martínez AE, Widhalm K, and Moreno LA
Subjects: Absorptiometry, Photon, Adolescent, Adolescent Nutritional Physiological Phenomena, Body Composition physiology, Body Weights and Measures, Child, Cross-Sectional Studies, Female, Humans, Male, Risk Factors, Seasons, Surveys and Questionnaires, Vitamin D administration & dosage, Bone Density physiology, Bone and Bones physiology, Calcifediol blood, Motor Activity physiology
Abstract: Unlabelled: The effects of vitamin D concentrations on bone mineral content in adolescents are still unclear. Vitamin D and physical activity (PA) may interact to determine bone mineral content (BMC) in two possible directions; 25(OH)D sufficiency levels improve BMC only in active adolescents, or PA increases BMC in individuals with replete vitamin D levels., Introduction: The effects of suboptimal 25-hydroxycholecalciferol (25(OH)D) concentrations on BMC in adolescents are still unclear. The main aim of this study was to evaluate the influence of 25(OH)D on BMC in adolescents, considering the effect of body composition, sex, age, Tanner stage, season, calcium and vitamin D intakes, physical fitness and PA., Methods: Serum 25(OH)D concentrations, anthropometric measurements, dual energy X-ray absorptiometry measurements, calcium and vitamin D intakes, PA and physical fitness were obtained in 100 Spanish adolescents (47 males), aged 12.5-17.5 years, within the framework of the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) study. Relations were examined using ANCOVA and regression analyses including BMC as dependent variable., Results: Linear regression of BMC suggested that 25(OH)D concentrations independently influenced total and leg BMC after controlling for age, sex, lean mass, seasonality and calcium intake (B = 0.328, p < 0.05, and B = 0.221, p < 0.05, respectively) in the physically active group. No significant influence of 25(OH)D concentrations on BMC was observed in the inactive group. Significant effect was shown between the interaction of 25(OH)D and PA on BMC for the total body and legs (both p < 0.05)., Conclusions: Vitamin D and PA may interact to determine BMC. 25(OH)D sufficiency levels improve bone mass only in active adolescents, or PA has a positive influence on BMC in individuals with replete vitamin D levels.
Published: 2012
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45. Physical activity does not attenuate the obesity risk of TV viewing in youth.

Author: Rey-López JP, Ruiz JR, Vicente-Rodríguez G, Gracia-Marco L, Manios Y, Sjöström M, De Bourdeaudhuij I, and Moreno LA
Subjects: Actigraphy instrumentation, Adiposity, Adolescent, Age Factors, Anthropometry, Cross-Sectional Studies, Europe epidemiology, Female, Humans, Logistic Models, Male, Obesity, Abdominal epidemiology, Obesity, Abdominal physiopathology, Obesity, Abdominal psychology, Odds Ratio, Risk Assessment, Risk Factors, Surveys and Questionnaires, Time Factors, Adolescent Behavior, Feeding Behavior, Motor Activity, Obesity, Abdominal prevention & control, Sedentary Behavior, Television
Abstract: Objective: This study aimed to examine the association of television (TV) time, the frequency of meals while watching TV and the presence of TV set in the bedroom with total and abdominal obesity and to assess whether physical activity (PA) attenuates the obesity risk of TV viewing., Methods: Cross-sectional data were obtained from 2200 adolescents (46% boys) from 10 European cities, The Healthy Lifestyle in Europe by Nutrition in Adolescence study, between 2006 and 2007. TV viewing, PA (by accelerometry) and body composition were measured. Binary logistic regression analyses were performed., Results: Even adjusting by vigorous PA, TV in the bedroom (odds ratio [OR]: 1.33, 95% confidence interval [CI], 1.01-1.74) and >4 h d(-1) TV during week days (OR: 1.30, 95% CI, 1.02-1.67) (in boys) and eating every day with TV (OR: 1.18, 95% CI, 1.07-1.30) and >2 h d(-1) TV during weekend days (OR: 1.68, 95% CI, 1.25-2.26) (in girls) were significantly associated with total obesity. Likewise, in both sexes, having a TV set at bedroom was significantly associated with abdominal obesity., Conclusions: Adolescents spending excessive TV time are prone to obesity independently of their PA levels. Families should put TV sets out of adolescents' bedroom and keep TV sets off during meal times., (© 2012 The Authors. Pediatric Obesity © 2012 International Association for the Study of Obesity.)
Published: 2012
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46. Reliability and validity of a screen time-based sedentary behaviour questionnaire for adolescents: The HELENA study.

Author: Rey-López JP, Ruiz JR, Ortega FB, Verloigne M, Vicente-Rodriguez G, Gracia-Marco L, Gottrand F, Molnar D, Widhalm K, Zaccaria M, Cuenca-García M, Sjöström M, De Bourdeaudhuij I, and Moreno LA
Subjects: Adolescent, Computers, Female, Health Surveys standards, Humans, Internet, Life Style, Male, Reproducibility of Results, Television, Time Factors, Exercise, Health Behavior, Health Surveys statistics & numerical data, Surveys and Questionnaires
Abstract: Background: Although there is a growing interest in the epidemiology of sedentary behaviours, it is unknown whether sedentary behaviour questionnaires are broad markers of sedentary time. The aims of this study were to determine the: (i) reliability of the Healthy Lifestyle in Europe by Nutrition in Adolescence (HELENA) screen time-based sedentary behaviour questionnaire; and (ii) its validity, i.e. the ability of the questionnaire to correctly rank adolescents according to the objectively measured sedentary time., Methods: A total of 183 adolescents (104 females aged 12.5-17.5 years) were involved in the reliability study. Participants completed the HELENA sedentary questionnaire twice (1 week apart). The validity study comprised 2048 (1212 females) adolescents (12.5-17.5 years of age) included in the HELENA cross-sectional study. Questions included television viewing, computer games, console games, Internet for study and non-study reasons and study during week and weekend days. We compared median values of sedentary time, using accelerometers, by tertiles of self-reported sedentary behaviours and their sum (composite sedentary score)., Results: Reliability study: κ-values showed a good agreement (>0.7), except for Internet for study reasons (0.46 weekdays, 0.33 weekend). The questionnaire correctly classified boys' sedentary time when analysed by specific behaviours and by a composite sedentary score. In girls, median values of objectively measured sedentary time were not different across tertiles of self-reported sedentary behaviours or the composite sedentary score., Conclusion: The HELENA sedentary questionnaire is reliable, yet only correctly classifies objectively measured sedentary time in boys.
Published: 2012
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47. Eating habits and total and abdominal fat in Spanish adolescents: influence of physical activity. The AVENA study.

Author: Gómez-Martínez S, Martínez-Gómez D, Perez de Heredia F, Romeo J, Cuenca-Garcia M, Martín-Matillas M, Castillo M, Rey-López JP, Vicente-Rodriguez G, Moreno L, and Marcos A
Subjects: Adolescent, Body Mass Index, Female, Humans, Male, Sex Factors, Spain, Abdominal Fat, Feeding Behavior physiology, Motor Activity physiology
Abstract: Objective: To evaluate the association between specific dietary habits and body fatness in Spanish adolescents, and to analyze the role of leisure-time physical activity (LTPA) in this association., Methods: In this cross-sectional study, 1,978 adolescents (1,017 girls) aged 13.0-18.5 years from the AVENA (Alimentación y Valoración del Estado Nutricional en Adolescentes) study were included. Particular dietary habits (breakfast, mid-morning snack, lunch, afternoon snack, dinner, and nighttime snack, as well as time spent eating, number of meals, consumption of soft drinks, and ready-to-eat foods) and LTPA were self-reported and analyzed as dichotomic variables (yes/no). The sum of six skinfold thicknesses and waist circumference (WC) values were the main body fatness variables., Result: Skinfolds and WC values were lower in adolescents who reported consumption of mid-morning snack, afternoon snack, more than four meals per day, and an adequate speed of eating, independently of participation in LTPA. Moreover, a beneficial influence of breakfast consumption on skinfolds and WC values was observed in those adolescent boys who did not participate in LTPA (p for interactions = .044 and .040, respectively)., Conclusions: In Spanish adolescents, certain healthy dietary habits (i.e., mid-morning snack, afternoon snack, > 4 meals per day, adequate eating speed) are associated with lower body fatness, independently of engaging in LTPA. In addition, among boys with non-LTPA, those who skipped breakfast showed the highest body fatness values, indicating a beneficial influence of daily breakfast on body fat in this particular group., (Copyright Â© 2012 Society for Adolescent Health and Medicine. Published by Elsevier Inc. All rights reserved.)
Published: 2012
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48. Reliability and intermethod agreement for body fat assessment among two field and two laboratory methods in adolescents.

Author: Vicente-Rodríguez G, Rey-López JP, Mesana MI, Poortvliet E, Ortega FB, Polito A, Nagy E, Widhalm K, Sjöström M, and Moreno LA
Subjects: Adolescent, Analysis of Variance, Body Mass Index, Cross-Sectional Studies, Female, Humans, Male, Reproducibility of Results, Sweden epidemiology, White People, Absorptiometry, Photon, Adipose Tissue, Body Composition, Electric Impedance, Plethysmography, Skinfold Thickness
Abstract: To increase knowledge about reliability and intermethods agreement for body fat (BF) is of interest for assessment, interpretation, and comparison purposes. It was aimed to examine intra- and inter-rater reliability, interday variability, and degree of agreement for BF using air-displacement plethysmography (Bod-Pod), dual-energy X-ray absorptiometry (DXA), bioelectrical impedance analysis (BIA), and skinfold measurements in European adolescents. Fifty-four adolescents (25 females) from Zaragoza and 30 (14 females) from Stockholm, aged 13-17 years participated in this study. Two trained raters in each center assessed BF with Bod-Pod, DXA, BIA, and anthropometry (DXA only in Zaragoza). Intermethod agreement and reliability were studied using a 4-way ANOVA for the same rater on the first day and two additional measurements on a second day, one each rater. Technical error of measurement (TEM) and percentage coefficient of reliability (%R) were also reported. No significant intrarater, inter-rater, or interday effect was observed for %BF for any method in either of the cities. In Zaragoza, %BF was significantly different when measured by Bod-Pod and BIA in comparison with anthropometry and DXA (all P < 0.001). The same result was observed in Stockholm (P < 0.001), except that DXA was not measured. Bod-Pod, DXA, BIA, and anthropometry are reliable for %BF repeated assessment within the same day by the same or different raters or in consecutive days by the same rater. Bod-Pod showed close agreement with BIA as did DXA with anthropometry; however, Bod-Pod and BIA presented higher values of %BF than anthropometry and DXA.
Published: 2012
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49. Short sleep duration is associated with increased obesity markers in European adolescents: effect of physical activity and dietary habits. The HELENA study.

Author: Garaulet M, Ortega FB, Ruiz JR, Rey-López JP, Béghin L, Manios Y, Cuenca-García M, Plada M, Diethelm K, Kafatos A, Molnár D, Al-Tahan J, and Moreno LA
Subjects: Adolescent, Age Factors, Biomarkers metabolism, Body Mass Index, Child, Eating, Europe epidemiology, Female, Humans, Male, Obesity epidemiology, Obesity etiology, Risk Factors, Sedentary Behavior, Sex Factors, Sleep Deprivation complications, Sleep Deprivation epidemiology, Energy Metabolism, Feeding Behavior, Motor Activity, Obesity metabolism, Sleep Deprivation metabolism, Waist Circumference
Abstract: Background: Adequate sleep is a critical factor for adolescent's health and health-related behaviors., Objective: (a) to describe sleep duration in European adolescents from nine countries, (b) to assess the association of short sleep duration with excess adiposity and (c) to elucidate if physical activity (PA), sedentary behaviors and/or inadequate food habits underlie this association., Design: A sample of 3311 adolescents (1748 girls) aged 12.5-17.49 years from 10 European cities in Austria, Belgium, France, Germany, Greece, Hungary, Italy, Spain and Sweden was assessed in the Healthy Lifestyle in Europe by Nutrition in Adolescence Study between 2006 and 2008. We measured anthropometric data, sleep duration, PA (accelerometers and questionnaire), television watching and food habits (Food Frequency Questionnaire)., Results: Average duration of daily sleep was 8 h. Shorter sleepers showed higher values of BMI, body fat, waist and hip circumferences and fat mass index (P<0.05), particularly in females. Adolescents who slept <8 h per day were more sedentary, as assessed by accelerometry, and spent more time watching TV (P<0.05). The proportion of adolescents who eat adequate amounts of fruits, vegetables and fish was lower in shorter sleepers than in adolescents who slept ≥8 h per day, and so was the probability of having adequate food habits (P<0.05). Correlation analysis indicated that short sleep is associated with higher obesity parameters., Conclusions: In European adolescents, short sleep duration is associated with higher adiposity markers, particularly in female adolescents. This association seems to be related to both sides of the energy balance equation due to a combination of increased food intake and more sedentary habits.
Published: 2011
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50. Interrater reliability and time measurement validity of speed-agility field tests in adolescents.

Author: Vicente-Rodríguez G, Rey-López JP, Ruíz JR, Jiménez-Pavón D, Bergman P, Ciarapica D, Heredia JM, Molnar D, Gutierrez A, Moreno LA, and Ortega FB
Subjects: Adolescent, Analysis of Variance, Female, Humans, Male, Observer Variation, Professional Competence, Reaction Time, Reproducibility of Results, Running, Time Factors, Athletic Performance, Exercise Test instrumentation
Abstract: The aim of this study was to examine the interrater reliability (trained vs. untrained raters) and criterion-related validity (manual vs. automatic timing) of the 4 × 10-m shuttle run and 30-m running speed tests (times measured). The study comprised 85 adolescents (38 girls) aged 13.0-16.9 years from the Healthy Lifestyle in Europe by Nutrition in Adolescence study. The time required to complete the 4 × 10-m shuttle run and 30-m running tests was simultaneously measured (a) manually with a stopwatch by both trained and untrained raters (for interrater reliability analysis), and (b) by using photoelectric cells (for validity analysis). Systematic error, random error, and heteroscedasticity were studied with repeated-measured analysis of variance and Bland-Altman plots. The systematic error for untrained vs. trained raters and the untrained raters vs. photoelectric cells were in all cases ∼0.1 seconds (p < 0.01), that is, untrained raters recorded higher times. No systematic error was found between trained raters and photoelectric cells (p > 0.05). No heteroscedasticity was shown in any case (p > 0.05). The findings indicate that manual measurements by a trained rater, using a stopwatch, seem to be a valid method to assess speed and agility fitness testing in adolescents. Researchers must be trained to minimize the measurement error.
Published: 2011
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