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55. The Multiple Dimensions of Participation: Key Determinants of Nutrition Intervention Outcomes.

Author

Marquis, Grace S., Martin, Stephanie L., and Lartey, Anna

Subjects
PARTICIPATION, NUTRITION, RESEARCH questions
Abstract

Nutrition research benefits from broad and intensive participation by stakeholders. The articles in this series demonstrate that understanding participation is complex because it incorporates the dimensions of stakeholders, activity, time, and intensity. Early involvement in research can help prioritize the problems to be addressed, refine the specific research question, and determine acceptable community-based approaches to be used in an intervention. The included studies examined the construct of participation and the diverse means by which it can be measured. They demonstrated how knowledge gained from early participation influenced the direction of interventions and increased relevancy for the community. The researchers assessed participation intensity during the intervention phase to help explain project outcomes and provide estimates of the magnitude of the effect that could be achieved if high-level participation of stakeholders was universal. In addition, participation in the analysis process was a key component of some of the articles in this series, demonstrating the richness of understanding that can be obtained through collaborative analyses. The included papers provide insight into how to define and measure participation, how to explore approaches to encourage participation of direct and indirect beneficiaries, and how participation at different time points and by different stakeholders can validate and support interventions and enhance effectiveness. As such, the series serves as a valuable reference to researchers, program and policy designers, implementers, and evaluators to increase the benefits of community-based interventions for nutrition outcomes. [ABSTRACT FROM AUTHOR]

Published
2023
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58. Preventive small-quantity lipid-based nutrient supplements reduce severe wasting and severe stunting among young children: an individual participant data meta-analysis of randomized controlled trials

Author

Dewey, Kathryn G., primary, Arnold, Charles D., additional, Wessells, K. Ryan, additional, Prado, Elizabeth L., additional, Abbeddou, Souheila, additional, Adu-Afarwuah, Seth, additional, Ali, Hasmot, additional, Arnold, Benjamin F., additional, Ashorn, Per, additional, Ashorn, Ulla, additional, Ashraf, Sania, additional, Becquey, Elodie, additional, Brown, Kenneth H., additional, Christian, Parul, additional, Colford, John M., additional, Dulience, Sherlie J. L., additional, Fernald, Lia C.H., additional, Galasso, Emanuela, additional, Hallamaa, Lotta, additional, Hess, Sonja Y., additional, Humphrey, Jean H., additional, Huybregts, Lieven, additional, Iannotti, Lora L., additional, Jannat, Kaniz, additional, Lartey, Anna, additional, Port, Agnes Le, additional, Leroy, Jef L., additional, Luby, Stephen P., additional, Maleta, Kenneth, additional, Matias, Susana L., additional, Mbuya, Mduduzi NN, additional, Mridha, Malay K., additional, Nkhoma, Minyanga, additional, Null, Clair, additional, Paul, Rina R., additional, Okronipa, Harriet, additional, Ouédraogo, Jean-Bosco, additional, Pickering, Amy J., additional, Prendergast, Andrew J., additional, Ruel, Marie, additional, Shaikh, Saijuddin, additional, Weber, Ann M., additional, Wolff, Patricia, additional, Zongrone, Amanda, additional, and Stewart, Christine P., additional

Published
2022
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59. Foodomics: A Data-Driven Approach to Revolutionize Nutrition and Sustainable Diets

Author

Ahmed, Selena, primary, de la Parra, John, additional, Elouafi, Ismahane, additional, German, Bruce, additional, Jarvis, Andy, additional, Lal, Vincent, additional, Lartey, Anna, additional, Longvah, T., additional, Malpica, Carlos, additional, Vázquez-Manjarrez, Natalia, additional, Prenni, Jessica, additional, Aguilar-Salinas, Carlos A., additional, Srichamnong, Warangkana, additional, Rajasekharan, Maya, additional, Shafizadeh, Tracy, additional, Siegel, Justin Bloomfield, additional, Steiner, Roy, additional, Tohme, Joe, additional, and Watkins, Steve, additional

Published
2022
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62. Small-Quantity Lipid-Based Nutrient Supplements Increase Infants’ Plasma Essential Fatty Acid Levels in Ghana and Malawi: A Secondary Outcome Analysis of the iLiNS-DYAD Randomized Trials

Author

Adu-Afarwuah, Seth, primary, Arnold, Charles D, additional, Lartey, Anna, additional, Okronipa, Harriet, additional, Maleta, Kenneth, additional, Ashorn, Per, additional, Ashorn, Ulla, additional, Fan, Yue-Mei, additional, Matchado, Andrew, additional, Kortekangas, Emma, additional, Oaks, Brietta M, additional, Jackson, Kristina H, additional, and Dewey, Kathryn G, additional

Published
2022
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64. Supplementation of Maternal Diets during Pregnancy and for 6 Months Postpartum and Infant Diets Thereafter with Small-Quantity Lipid-Based Nutrient Supplements Does Not Promote Child Growth by 18 Months of Age in Rural Malawi: A Randomized Controlled Trial1-4

Author

Ashorn, Per, Alho, Lotta, Ashorn, Ulla, Cheung, Yin Bun, Dewey, Kathryn G, Gondwe, Austrida, Harjunmaa, Ulla, Lartey, Anna, Phiri, Nozgechi, Phiri, Thokozani E, Vosti, Stephen A, Zeilani, Mamane, and Maleta, Kenneth

Published
2015
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67. Small-quantity lipid-based nutrient supplements for children age 6-24 months : A systematic review and individual participant data meta-analysis of effects on developmental outcomes and effect modifiers

Author

Prado, Elizabeth L., Arnold, Charles D., Wessells, K. Ryan, Stewart, Christine P., Abbeddou, Souheila, Adu-Afarwuah, Seth, Arnold, Benjamin F., Ashorn, Ulla, Ashorn, Per, Becquey, Elodie, Brown, Kenneth H., Chandna, Jaya, Christian, Parul, Dentz, Holly N., Dulience, Sherlie J.L., Fernald, Lia C.H., Galasso, Emanuela, Hallamaa, Lotta, Hess, Sonja Y., Huybregts, Lieven, Iannotti, Lora L., Jimenez, Elizabeth Y., Kohl, Patricia, Lartey, Anna, Le Port, Agnes, Luby, Stephen P., Maleta, Kenneth, Matchado, Andrew, Matias, Susana L., Mridha, Malay K., Ntozini, Robert, Null, Clair, Ocansey, Maku E., Parvez, Sarker M., Phuka, John, Pickering, Amy J., Prendergast, Andrew J., Shamim, Abu A., Siddiqui, Zakia, Tofail, Fahmida, Weber, Ann M., Wu, Lee S.F., Dewey, Kathryn G., Tampere University, BioMediTech, Department of Paediatrics, and Clinical Medicine

Subjects
3123 Gynaecology and paediatrics, 3111 Biomedicine
Abstract

Background: Small-quantity (SQ) lipid-based nutrient supplements (LNSs) provide many nutrients needed for brain development. Objectives: We aimed to generate pooled estimates of the effect of SQ-LNSs on developmental outcomes (language, social-emotional, motor, and executive function), and to identify study-level and individual-level modifiers of these effects. Methods: We conducted a 2-stage meta-analysis of individual participant data from 14 intervention against control group comparisons in 13 randomized trials of SQ-LNSs provided to children age 6-24 mo (total n = 30,024). Results: In 11-13 intervention against control group comparisons (n = 23,588-24,561), SQ-LNSs increased mean language (mean difference: 0.07 SD; 95% CI: 0.04, 0.10 SD), social-emotional (0.08; 0.05, 0.11 SD), and motor scores (0.08; 95% CI: 0.05, 0.11 SD) and reduced the prevalence of children in the lowest decile of these scores by 16% (prevalence ratio: 0.84; 95% CI: 0.76, 0.92), 19% (0.81; 95% CI: 0.74, 0.89), and 16% (0.84; 95% CI: 0.76, 0.92), respectively. SQ-LNSs also increased the prevalence of children walking without support at 12 mo by 9% (1.09; 95% CI: 1.05, 1.14). Effects of SQ-LNSs on language, social-emotional, and motor outcomes were larger among study populations with a higher stunting burden (≥35%) (mean difference: 0.11-0.13 SD; 8-9 comparisons). At the individual level, greater effects of SQ-LNSs were found on language among children who were acutely malnourished (mean difference: 0.31) at baseline; on language (0.12), motor (0.11), and executive function (0.06) among children in households with lower socioeconomic status; and on motor development among later-born children (0.11), children of older mothers (0.10), and children of mothers with lower education (0.11). Conclusions: Child SQ-LNSs can be expected to result in modest developmental gains, which would be analogous to 1-1.5 IQ points on an IQ test, particularly in populations with a high child stunting burden. Certain groups of children who experience higher-risk environments have greater potential to benefit from SQ-LNSs in developmental outcomes. publishedVersion

Published
2021

70. Maternal and Child Supplementation With Small-Quantity Lipid-Based Nutrient Supplements Increases Child HDL Cholesterol Efflux Capacity

Author

Hong, Brian, primary, Zhu, Chenghao, additional, Wong, Maurice, additional, Sacchi, Romina, additional, Rhodes, Christopher, additional, Kang, Jea Woo, additional, Arnold, Charles, additional, Adu-Afarwuah, Seth, additional, Lartey, Anna, additional, Oaks, Brietta, additional, Dewey, Kathryn, additional, Lebrilla, Carlito, additional, and Zivkovic, Angela, additional

Published
2021
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73. Small-quantity lipid-based nutrient supplements for children age 6-24 months: a systematic review and individual participant data meta-analysis of effects on developmental outcomes and effect modifiers

Author

Prado, Elizabeth L., primary, Arnold, Charles D., additional, Wessells, K. Ryan, additional, Stewart, Christine P., additional, Abbeddou, Souheila, additional, Adu-Afarwuah, Seth, additional, Arnold, Benjamin F., additional, Ashorn, Ulla, additional, Ashorn, Per, additional, Becquey, Elodie, additional, Brown, Kenneth H., additional, Chandna, Jaya, additional, Christian, Parul, additional, Dentz, Holly N., additional, Dulience, Sherlie J. L., additional, Fernald, Lia C. H., additional, Galasso, Emanuela, additional, Hallamaa, Lotta, additional, Hess, Sonja Y., additional, Huybregts, Lieven, additional, Iannotti, Lora L., additional, Jimenez, Elizabeth Yakes, additional, Kohl, Patricia, additional, Lartey, Anna, additional, Port, Agnes Le, additional, Luby, Stephen P., additional, Maleta, Kenneth, additional, Matchado, Andrew, additional, Matias, Susana L., additional, Mridha, Malay K., additional, Ntozini, Robert, additional, Null, Clair, additional, Ocansey, Maku E., additional, Parvez, Sarker Masud, additional, Phuka, John, additional, Pickering, Amy J., additional, Prendergast, Andrew J., additional, Shamim, Abu Ahmed, additional, Siddiqui, Zakia, additional, Tofail, Fahmida, additional, Weber, Ann M., additional, Wu, Lee S. F., additional, and Dewey, Kathryn G., additional

Published
2021
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74. Characteristics that modify the effect of small-quantity lipid-based nutrient supplementation on child anemia and micronutrient status: an individual participant data meta-analysis of randomized controlled trials

Author

Wessells, K. Ryan, primary, Arnold, Charles D., additional, Stewart, Christine P., additional, Prado, Elizabeth L., additional, Abbeddou, Souheila, additional, Adu-Afarwuah, Seth, additional, Arnold, Benjamin F., additional, Ashorn, Per, additional, Ashorn, Ulla, additional, Becquey, Elodie, additional, Brown, Kenneth H., additional, Byrd, Kendra A., additional, Campbell, Rebecca K., additional, Christian, Parul, additional, Fernald, Lia C.H., additional, Fan, Yue-Mei, additional, Galasso, Emanuela, additional, Hess, Sonja Y., additional, Huybregts, Lieven, additional, Jorgensen, Josh M., additional, Kiprotich, Marion, additional, Kortekangas, Emma, additional, Lartey, Anna, additional, Le Port, Agnes, additional, Leroy, Jef L., additional, Lin, Audrie, additional, Maleta, Kenneth, additional, Matias, Susana L., additional, Mbuya, Mduduzi NN, additional, Mridha, Malay K., additional, Mutasa, Kuda, additional, Naser, Abu Mohd., additional, Paul, Rina R., additional, Okronipa, Harriet, additional, Ouédraogo, Jean-Bosco, additional, Pickering, Amy J., additional, Rahman, Mahbubur, additional, Schulze, Kerry, additional, Smith, Laura E., additional, Weber, Ann M., additional, Zongrone, Amanda, additional, and Dewey, Kathryn G., additional

Published
2021
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75. Characteristics that modify the effect of small-quantity lipid-based nutrient supplementation on child growth: an individual participant data meta-analysis of randomized controlled trials

Author

Dewey, Kathryn G., primary, Wessells, K. Ryan, additional, Arnold, Charles D., additional, Prado, Elizabeth L., additional, Abbeddou, Souheila, additional, Adu-Afarwuah, Seth, additional, Ali, Hasmot, additional, Arnold, Benjamin F., additional, Ashorn, Per, additional, Ashorn, Ulla, additional, Ashraf, Sania, additional, Becquey, Elodie, additional, Bendabenda, Jaden, additional, Brown, Kenneth H., additional, Christian, Parul, additional, Colford, John M., additional, Dulience, Sherlie J. L., additional, Fernald, Lia C.H., additional, Galasso, Emanuela, additional, Hallamaa, Lotta, additional, Hess, Sonja Y., additional, Humphrey, Jean H., additional, Huybregts, Lieven, additional, Iannotti, Lora L., additional, Jannat, Kaniz, additional, Lartey, Anna, additional, Port, Agnes Le, additional, Leroy, Jef L., additional, Luby, Stephen P., additional, Maleta, Kenneth, additional, Matias, Susana L., additional, Mbuya, Mduduzi NN, additional, Mridha, Malay K., additional, Nkhoma, Minyanga, additional, Null, Clair, additional, Paul, Rina R., additional, Okronipa, Harriet, additional, Ouédraogo, Jean-Bosco, additional, Pickering, Amy J., additional, Prendergast, Andrew J., additional, Ruel, Marie, additional, Shaikh, Saijuddin, additional, Weber, Ann M., additional, Wolff, Patricia, additional, Zongrone, Amanda, additional, and Stewart, Christine P., additional

Published
2021
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78. Lactation counseling increases exclusive breast-feeding rates in Ghana

Author

Aidam, Bridget A., Perez-Escamilla, Rafael, and Lartey, Anna

Subjects
Lactation -- Research, Breast feeding -- Research, Food/cooking/nutrition
Abstract

Exclusive breast-feeding (EBF) rates remain low despite numerous health benefits associated with this behavior. We conducted a randomized trial on the effect of lactation counseling on EBF, which controlled for the Hawthorne effect while also varying the timing of the intervention. Pregnant women attending prenatal clinics in Tema were randomly assigned to 1 of 2 intervention groups (IG) or to a control group (C), as follows: 1) EBF support given pre-, peri-, and postnatally (IG1; n - 43); 2) EBF support given only peri- and postnatally (IG2; n = 44); or 3) nonbreast-feeding health educational support (C; n = 49) that had an equal amount of contact with lactation counselors. Two educational sessions were provided prenatally, and 9 home follow-up visits were provided in the 6-too postpartum period. Infant feeding data were collected monthly at the participant's home. The 3 groups did not differ in sociodemographic characteristics. At 6 mo postpartum, 90.0% in IG1 and 74.4% in IG2 had exclusively breast-fed during the previous month. By contrast, only 47.7% in C were doing so (P - 0.008). Similarly, the percentage of EBF during the 6 mo was significantly higher (P - 0.02) among IG1 and IG2 (39.5%) than among C (19.6%). The 100% increase in EBF rates can be attributed to the lactation counseling provided. Additional prenatal EBF support may not be needed within a context of strong routine prenatal EBF education. J. Nutr. 135: 1691-1695, 2005. KEY WORDS: * exclusive breast-feeding * lactation counseling * Hawthorne effect * Ghana

Published
2005

80. IUNS News

Author

Elmadfa, Ibrahim, Lartey, Anna, Allen, Lindsay, Belahsen, Rekia, Murphy, Suzanne, Uauy, Ricardo, Martinez, Alfredo J., Schlegel-Zawzdka, Malgorzata, Prakash, Venkatesh, Wasanwisut, Emorn, Ndossi, Godwin D., and Yang, Xiaoguang

Published
2013
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81. IUNS News

Author

Elmadfa, Ibrahim, Lartey, Anna, Allen, Lindsay, Belahsen, Rekia, Murphy, Suzanne, Uauy, Ricardo, Martinez, Alfredo J., Schlegel-Zawzdka, Malgorzata, Prakash, Venkatesh, Wasanwisut, Emorn, Ndossi, Godwin D., and Yang, Xiaoguang

Published
2012
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86. A new nutrition manifesto for a new nutrition reality

Author

Branca, Francesco, primary, Demaio, Alessandro, additional, Udomkesmalee, Emorn, additional, Baker, Phillip, additional, Aguayo, Victor M, additional, Barquera, Simon, additional, Dain, Katie, additional, Keir, Lindsay, additional, Lartey, Anna, additional, Mugambi, Gladys, additional, Oenema, Stineke, additional, Piwoz, Ellen, additional, Richardson, Ruth, additional, Singh, Sudhvir, additional, Sullivan, Lucy, additional, Verburg, Gerda, additional, Fracassi, Patrizia, additional, Mahy, Lina, additional, and Neufeld, Lynnette M, additional

Published
2020
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88. Goal 2: End hunger, achieve food security and improved nutrition and promote sustainable agriculture

Author

Lartey, Anna

Subjects
Food supply -- Management, Hunger -- Control, Sustainable agriculture -- Planning, Sustainable development -- Planning, Company business planning, Company business management, International relations, Political science, United Nations. General Assembly -- Aims and objectives, United Nations. Food and Agriculture Organization -- Aims and objectives
Abstract

The year 2015 presents a unique opportunity for the global development community to build on and strengthen the momentum initiated by the Millennium Development Goals (MDGs). BUILDING ON PROGRESS MADE [...]

Published
2015

93. Intermittent Preventive Therapy in Pregnancy and Incidence of Low Birth Weight in Malaria-Endemic Countries

Author

Cates, Jordan E, Westreich, Daniel, Unger, Holger W, Briand, Valerie, Fievet, Nadine, Valea, Innocent, Tinto, Halidou, D’Alessandro, Umberto, Landis, Sarah H, Lartey, Anna, Dewey, Kathryn G, terKuile, Feiko, Desai, Meghna, Dellicour, Stephanie, Owidhi, Mary, L’Ianziva, Anne, Aol, George, Were, Vincent, Terlouw, Anja, Kariuki, Simon, John, Ayisi, Madanitsa, Mwayi, Mwapasa, Victor, Ashorn, Per, Maleta, Kenneth, Mueller, Ivo, Stanisic, Danielle, Schmiegelow, Christentze, Lusingu, John P. A., vanEijk, Anna, Bauserman, Melissa, Adair, Linda, Cole, Stephen R, Meshnick, Steven, and Rogerson, Stephen

Subjects
wa_30, parasitic diseases, wd_105, wa_309, wc_765, wa_310, wd_100, wc_750
Abstract

Objectives. \ud To estimate the impact of hypothetical antimalarial and nutritional interventions (which reduce the prevalence of low midupper arm circumference [MUAC]) on the incidence of low birth weight (LBW).\ud \ud Methods. \ud We analyzed data from 14 633 pregnancies from 13 studies conducted across Africa and the Western Pacific from 1996 to 2015. We calculated population intervention effects for increasing intermittent preventive therapy in pregnancy (IPTp), full coverage with bed nets, reduction in malaria infection at delivery, and reductions in the prevalence of low MUAC.\ud \ud Results. \ud We estimated that, compared with observed IPTp use, administering 3 or more doses of IPTp to all women would decrease the incidence of LBW from 9.9% to 6.9% (risk difference = 3.0%; 95% confidence interval = 1.7%, 4.0%). The intervention effects for eliminating malaria at delivery, increasing bed net ownership, and decreasing low MUAC prevalence were all modest.\ud \ud Conclusions. \ud Increasing IPTp uptake to at least 3 doses could decrease the incidence of LBW in malaria-endemic countries. The impact of IPTp on LBW was greater than the effect of prevention of malaria, consistent with a nonmalarial effect of IPTp, measurement error, or selection bias.

Published
2018

94. Additional file 1: of Reliability of length measurements collected by community nurses and health volunteers in rural growth monitoring and promotion services

Author

Laar, Matilda, Marquis, Grace, Lartey, Anna, and Gray-Donald, Katherine

Abstract

Appendix: Equations used in estimating reliability. Eq. 1 for calculating Intra-observer TEM, Eq. 2. for Inter-observer TEM, Eq. 3. for Average bias from the expert, and Eq. 4. for the calculation of Coefficient of reliability (R) (DOCX 20 kb)

Published
2018
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95. Additional file 1: of A method to develop vocabulary checklists in new languages and their validity to assess early language development

Author

Prado, Elizabeth, Phuka, John, Ocansey, Eugenia, Maleta, Kenneth, Ashorn, Per, Ashorn, Ulla, Adu-Afarwuah, Seth, Brietta Oaks, Lartey, Anna, and Dewey, Kathryn

Abstract

Table S1. Preschool Developmental Assessment Methods in Ghana. Table S2. Maternal and Household Characteristics Descriptive Statistics for Developmental Scores. (DOCX 38Â kb)

Published
2018
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96. A method to develop vocabulary checklists in new languages and their validity to assess early language development

Author

Prado, Elizabeth L., Phuka, John, Ocansey, Eugenia, Maleta, Kenneth, Ashorn, Per, Ashorn, Ulla, Adu-Afarwuah, Seth, Oaks, Brietta M., Lartey, Anna, Dewey, Kathryn G., Lääketieteen ja biotieteiden tiedekunta - Faculty of Medicine and Life Sciences, and University of Tampere

Subjects
Malawi, Predictive validity, Kansanterveystiede, ympäristö ja työterveys - Public health care science, environmental and occupational health, Mothers, Multilingualism, Language Development, Vocabulary, Ghana, Concurrent validity, Child Development, Cognition, Clinical Research, Tropical Medicine, Cross-cultural assessment, Developmental assessment, Low- and middle-income countries, Humans, Child, Preschool, lcsh:RC620-627, Language, Demography, Pediatric, Schools, Nutrition and Dietetics, Verbal Behavior, Prevention, lcsh:Public aspects of medicine, Low-and middle-income countries, Reproducibility of Results, Infant, lcsh:RA1-1270, Achievement, Brain Disorders, Checklist, Quality Education, lcsh:Nutritional diseases. Deficiency diseases, Child, Preschool, Mental health, Research Article, Forecasting
Abstract

Background Since the adoption of United Nations’ Sustainable Goal 4.2 to ensure that all children have access to quality early child development (ECD) so that they are ready for primary education, the demand for valid ECD assessments has increased in contexts where they do not yet exist. The development of early language ability is important for school readiness. Our objective was to evaluate the validity of a method to develop vocabulary checklists in new languages to assess early language development, based on the MacArthur-Bates Communicative Development Inventories. Methods Through asking mothers of young children what words their children say and through pilot testing, we developed 100-word vocabulary checklists in multilingual contexts in Malawi and Ghana. In Malawi, we evaluated the validity of the vocabulary checklist among 29 children age 17–25 months compared to three language measures assessed concurrently: Developmental Milestones Checklist-II (DMC-II) language scale, Malawi Developmental Assessment Tool (MDAT) language scale, and the number of different words (NDW) in 30-min recordings of spontaneous speech. In Ghana, we assessed the predictive validity of the vocabulary checklist at age 18 months to forecast language, pre-academic, and other skills at age 4–6 years among 869 children. We also compared the predictive validity of the vocabulary checklist scores to that of other developmental assessments administered at age 18 months. Results In Malawi, the Spearman’s correlation of the vocabulary checklist score with DMC-II language was 0.46 (p = 0.049), with MDAT language was 0.66 (p = 0.016) and with NDW was 0.50 (p = 0.033). In Ghana, the 18-month vocabulary checklist score showed the strongest (rho = 0.12–0.26) and most consistent (8/12) associations with preschool scores, compared to the other 18-month assessments. The largest coefficients were the correlations of the 18-month vocabulary score with the preschool cognitive factor score (rho = 0.26), language score (0.25), and pre-academic score (0.24). Conclusions We have demonstrated the validity of a method to develop vocabulary checklists in new languages, which can be used in multilingual contexts, using a feasible adaptation process requiring about 2 weeks. This is a promising method to assess early language development, which is associated with later preschool language, cognitive, and pre-academic skills. Electronic supplementary material The online version of this article (10.1186/s41043-018-0145-1) contains supplementary material, which is available to authorized users.

Published
2018

97. Food in the Anthropocene: the EAT–Lancet Commission on healthy diets from sustainable food systems

Author

Willett, Walter, primary, Rockström, Johan, additional, Loken, Brent, additional, Springmann, Marco, additional, Lang, Tim, additional, Vermeulen, Sonja, additional, Garnett, Tara, additional, Tilman, David, additional, DeClerck, Fabrice, additional, Wood, Amanda, additional, Jonell, Malin, additional, Clark, Michael, additional, Gordon, Line J, additional, Fanzo, Jessica, additional, Hawkes, Corinna, additional, Zurayk, Rami, additional, Rivera, Juan A, additional, De Vries, Wim, additional, Majele Sibanda, Lindiwe, additional, Afshin, Ashkan, additional, Chaudhary, Abhishek, additional, Herrero, Mario, additional, Agustina, Rina, additional, Branca, Francesco, additional, Lartey, Anna, additional, Fan, Shenggen, additional, Crona, Beatrice, additional, Fox, Elizabeth, additional, Bignet, Victoria, additional, Troell, Max, additional, Lindahl, Therese, additional, Singh, Sudhvir, additional, Cornell, Sarah E, additional, Srinath Reddy, K, additional, Narain, Sunita, additional, Nishtar, Sania, additional, and Murray, Christopher J L, additional

Published
2019
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99. Development of a dichotomous indicator for population-level assessment of dietary diversity in women of reproductive age

Author

Martin-Prevel, Yves, Arimond, Mary, Allemand, Pauline, Wiesmann, Doris, Ballard, Terri J., Deitchler, Megan, Dop, Marie Claude, Kennedy, Gina, Lartey, Anna, Lee, Warren T.K., Moursi, Mourad, Becquey, Elodie, Brouwer, Inge D., Carriquiry, Alicia, Daniels, Melissa C., Fanou-Fogny, Nadia, Ferguson, Elaine, Joseph, Maria L., Ruel, Marie T., Torheim, Liv Elin, Nutrition et Alimentation des Populations aux Suds (NutriPass), Université Montpellier 1 (UM1)-Institut de Recherche pour le Développement (IRD)-Université Montpellier 2 - Sciences et Techniques (UM2)-Université de Montpellier (UM)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), University of California [Davis] (UC Davis), University of California (UC), Institut de Recherche pour le Développement (IRD)-Université Montpellier 1 (UM1)-Université Montpellier 2 - Sciences et Techniques (UM2)-Institut national d’études supérieures agronomiques de Montpellier (Montpellier SupAgro), Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Institut national d'enseignement supérieur pour l'agriculture, l'alimentation et l'environnement (Institut Agro)-Université de Montpellier (UM), and University of California

Subjects
Population level, 030309 nutrition & dietetics, dietary diversity, Dietary diversity, Medicine (miscellaneous), women of reproductive age, Reproductive age, Developing countries, Food group, 03 medical and health sciences, 0302 clinical medicine, Secondary analysis, 030212 general & internal medicine, developing countries, food groups, indicator, nutrition-sensitive interventions, resource-poor settings, diet quality, Original Research, VLAG, 2. Zero hunger, Global Nutrition, 0303 health sciences, Wereldvoeding, Nutrition and Dietetics, Micronutrient, Resource-poor settings, Geography, Diet quality, Food groups, Indicator, [SDV.SPEE]Life Sciences [q-bio]/Santé publique et épidémiologie, Nutrition-sensitive interventions, Social psychology, [SDV.AEN]Life Sciences [q-bio]/Food and Nutrition, Women of reproductive age, Food Science, Demography, Diversity (business)
Abstract

International audience; Background: Dietary diversity is a key element of diet quality, but diets of women of reproductive age (WRA; aged 15–49 y) in resource-poor settings are often deficient in a range of micronutrients. Previous work showed associations between simple food-group diversity indicators (FGIs) and micronutrient adequacy among WRA. For operational and advocacy purposes, however, there is strong demand for a dichotomous indicator reflecting an acceptable level of dietary diversity.Objective: The aim of the study was to develop a dichotomous indicator of dietary diversity in WRA.Methods: We performed a secondary analysis of 9 data sets containing quantitative dietary data from WRA in resource-poor settings (total n = 4166). From the raw dietary data, we calculated an individual “mean probability of adequacy” (MPA) across 11 micronutrients. Several candidate FGIs were constructed. Indicator performance in predicting an MPA >0.60 was assessed within each data set by using receiver-operating characteristic analysis and sensitivity and specificity analysis at various FGI cutoffs. The analysis was performed separately for nonpregnant and nonlactating (NPNL) women and for lactating women.Results: We identified 2 “best candidate” dichotomous indicators on the basis of 9- or 10-point food-group scores (FGI-9 and FGI-10) with a cutoff of ≥5 food groups. Both were significantly correlated to MPA in each site (P < 0.001). Areas under the curve were moderate, ranging from 0.62 to 0.82 among NPNL women and from 0.56 to 0.90 among lactating women. Comparisons of results slightly favored FGI-10 for all women.Conclusions: When resource-intensive dietary methods are not feasible, a simple dichotomous indicator based on a cutoff of ≥5 of 10 defined food groups reflects “minimum dietary diversity for women of reproductive age.” According to the conclusions of a consensus meeting of experts, this indicator is well suited for population-level assessment, advocacy, and possibly also for tracking of change in dietary diversity across time.

Published
2017

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