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1. Genetic and environmental influences on height from infancy to early adulthood

Author

University of Helsinki, Department of Social Research, University of Helsinki, Department of Public Health, University of Helsinki, Clinicum, Jelenkovic, Aline, Sund, Reijo, Hur, Yoon-Mi, Yokoyama, Yoshie, Hjelmborg, Jacob V. B., Moller, Soren, Honda, Chika, Magnusson, Patrik K. E., Pedersen, Nancy L., Ooki, Syuichi, Aaltonen, Sari, Stazi, Maria A., Fagnani, Corrado, D'Ippolito, Cristina, Freitas, Duarte L., Maia, Jose Antonio, Ji, Fuling, Ning, Feng, Pang, Zengchang, Rebato, Esther, Busjahn, Andreas, Kandler, Christian, Saudino, Kimberly J., Jang, Kerry L., Cozen, Wendy, Hwang, Amie E., Mack, Thomas M., Gao, Wenjing, Yu, Canqing, Li, Liming, Corley, Robin P., Huibregtse, Brooke M., Derom, Catherine A., Vlietinck, Robert F., Loos, Ruth J. F., Heikkila, Kauko, Wardle, Jane, Llewellyn, Clare H., Fisher, Abigail, McAdams, Tom A., Eley, Thalia C., Gregory, Alice M., He, Mingguang, Ding, Xiaohu, Bjerregaard-Andersen, Morten, Beck-Nielsen, Henning, Sodemann, Morten, Tarnoki, Adam D., Tarnoki, David L., Knafo-Noam, Ariel, Mankuta, David, Abramson, Lior, Burt, S. Alexandra, Klump, Kelly L., Silberg, Judy L., Eaves, Lindon J., Maes, Hermine H., Krueger, Robert F., McGue, Matt, Pahlen, Shandell, Gatz, Margaret, Butler, David A., Bartels, Meike, van Beijsterveldt, Toos C. E. M., Craig, Jeffrey M., Saffery, Richard, Dubois, Lise, Boivin, Michel, Brendgen, Mara, Dionne, Ginette, Vitaro, Frank, Martin, Nicholas G., Medland, Sarah E., Montgomery, Grant W., Swan, Gary E., Krasnow, Ruth, Tynelius, Per, Lichtenstein, Paul, Haworth, Claire M. A., Plomin, Robert, Bayasgalan, Gombojav, Narandalai, Danshiitsoodol, Harden, K. Paige, Tucker-Drob, Elliot M., Spector, Timothy, Mangino, Massimo, Lachance, Genevieve, Baker, Laura A., Tuvblad, Catherine, Duncan, Glen E., Buchwald, Dedra, Willemsen, Gonneke, Skytthe, Axel, Kyvik, Kirsten O., Christensen, Kaare, Oncel, Sevgi Y., Aliev, Fazil, Rasmussen, Finn, Goldberg, Jack H., Sorensen, Thorkild I. A., Boomsma, Dorret I., Kaprio, Jaakko, Silventoinen, Karri, University of Helsinki, Department of Social Research, University of Helsinki, Department of Public Health, University of Helsinki, Clinicum, Jelenkovic, Aline, Sund, Reijo, Hur, Yoon-Mi, Yokoyama, Yoshie, Hjelmborg, Jacob V. B., Moller, Soren, Honda, Chika, Magnusson, Patrik K. E., Pedersen, Nancy L., Ooki, Syuichi, Aaltonen, Sari, Stazi, Maria A., Fagnani, Corrado, D'Ippolito, Cristina, Freitas, Duarte L., Maia, Jose Antonio, Ji, Fuling, Ning, Feng, Pang, Zengchang, Rebato, Esther, Busjahn, Andreas, Kandler, Christian, Saudino, Kimberly J., Jang, Kerry L., Cozen, Wendy, Hwang, Amie E., Mack, Thomas M., Gao, Wenjing, Yu, Canqing, Li, Liming, Corley, Robin P., Huibregtse, Brooke M., Derom, Catherine A., Vlietinck, Robert F., Loos, Ruth J. F., Heikkila, Kauko, Wardle, Jane, Llewellyn, Clare H., Fisher, Abigail, McAdams, Tom A., Eley, Thalia C., Gregory, Alice M., He, Mingguang, Ding, Xiaohu, Bjerregaard-Andersen, Morten, Beck-Nielsen, Henning, Sodemann, Morten, Tarnoki, Adam D., Tarnoki, David L., Knafo-Noam, Ariel, Mankuta, David, Abramson, Lior, Burt, S. Alexandra, Klump, Kelly L., Silberg, Judy L., Eaves, Lindon J., Maes, Hermine H., Krueger, Robert F., McGue, Matt, Pahlen, Shandell, Gatz, Margaret, Butler, David A., Bartels, Meike, van Beijsterveldt, Toos C. E. M., Craig, Jeffrey M., Saffery, Richard, Dubois, Lise, Boivin, Michel, Brendgen, Mara, Dionne, Ginette, Vitaro, Frank, Martin, Nicholas G., Medland, Sarah E., Montgomery, Grant W., Swan, Gary E., Krasnow, Ruth, Tynelius, Per, Lichtenstein, Paul, Haworth, Claire M. A., Plomin, Robert, Bayasgalan, Gombojav, Narandalai, Danshiitsoodol, Harden, K. Paige, Tucker-Drob, Elliot M., Spector, Timothy, Mangino, Massimo, Lachance, Genevieve, Baker, Laura A., Tuvblad, Catherine, Duncan, Glen E., Buchwald, Dedra, Willemsen, Gonneke, Skytthe, Axel, Kyvik, Kirsten O., Christensen, Kaare, Oncel, Sevgi Y., Aliev, Fazil, Rasmussen, Finn, Goldberg, Jack H., Sorensen, Thorkild I. A., Boomsma, Dorret I., Kaprio, Jaakko, and Silventoinen, Karri

Abstract

Height variation is known to be determined by both genetic and environmental factors, but a systematic description of how their influences differ by sex, age and global regions is lacking. We conducted an individual-based pooled analysis of 45 twin cohorts from 20 countries, including 180,520 paired measurements at ages 1-19 years. The proportion of height variation explained by shared environmental factors was greatest in early childhood, but these effects remained present until early adulthood. Accordingly, the relative genetic contribution increased with age and was greatest in adolescence (up to 0.83 in boys and 0.76 in girls). Comparing geographic-cultural regions (Europe, North-America and Australia, and East-Asia), genetic variance was greatest in North-America and Australia and lowest in East-Asia, but the relative proportion of genetic variation was roughly similar across these regions. Our findings provide further insights into height variation during childhood and adolescence in populations representing different ethnicities and exposed to different environments.

Published
2016

2. Genetic and environmental effects on body mass index from infancy to the onset of adulthood:an individual-based pooled analysis of 45 twin cohorts participating in the COllaborative project of Development of Anthropometrical measures in Twins (CODATwins) study

Author

Silventoinen, Karri, Jelenkovic, Aline, Sund, Reijo, Hur, Yoon-Mi, Yokoyama, Yoshie, Honda, Chika, Hjelmborg, Jacob vB, Møller, Søren, Ooki, Syuichi, Aaltonen, Sari, Ji, Fuling, Ning, Feng, Pang, Zengchang, Rebato, Esther, Busjahn, Andreas, Kandler, Christian, Saudino, Kimberly J., Jang, Kerry L., Cozen, Wendy, Hwang, Amie E., Mack, Thomas M., Gao, Wenjing, Yu, Canqing, Li, Liming, Corley, Robin P., Huibregtse, Brooke M., Christensen, Kaare, Skytthe, Axel, Kyvik, Kirsten O, Derom, Catherine A., Vlietinck, Robert F., Loos, Ruth J. F., Heikkila, Kauko, Wardle, Jane, Llewellyn, Clare H., Fisher, Abigail, McAdams, Tom A., Eley, Thalia C., Gregory, Alice M., He, Mingguang, Ding, Xiaohu, Bjerregaard-Andersen, Morten, Beck-Nielsen, Henning, Sodemann, Morten, Tarnoki, Adam D., Tarnoki, David L., Stazi, Maria A., Fagnani, Corrado, D'Ippolito, Cristina, Knafo-Noam, Ariel, Mankuta, David, Abramson, Lior, Burt, S. Alexandra, Klump, Kelly L., Silberg, Judy L., Eaves, Lindon J., Maes, Hermine H., Krueger, Robert F., McGue, Matt, Pahlen, Shandell, Gatz, Margaret, Butler, David A., Bartels, Meike, van Beijsterveldt, Toos C. E. M., Craig, Jeffrey M., Saffery, Richard, Freitas, Duarte L., Maia, Jose Antonio, Dubois, Lise, Boivin, Michel, Brendgen, Mara, Dionne, Ginette, Vitaro, Frank, Martin, Nicholas G., Medland, Sarah E., Montgomery, Grant W., Chong, Youngsook, Swan, Gary E., Krasnow, Ruth, Magnusson, Patrik K. E., Pedersen, Nancy L., Tynelius, Per, Lichtenstein, Paul, Haworth, Claire M. A., Plomin, Robert, Bayasgalan, Gombojav, Narandalai, Danshiitsoodol, Harden, K. Paige, Tucker-Drob, Elliot M., Oncel, Sevgi Y., Aliev, Fazil, Spector, Timothy, Mangino, Massimo, Lachance, Genevieve, Baker, Laura A., Tuvblad, Catherine, Duncan, Glen E., Buchwald, Dedra, Willemsen, Gonneke, Rasmussen, Finn, Goldberg, Jack H., Sørensen, Thorkild I.A., Boomsma, Dorret I., Kaprio, Jaakko, Silventoinen, Karri, Jelenkovic, Aline, Sund, Reijo, Hur, Yoon-Mi, Yokoyama, Yoshie, Honda, Chika, Hjelmborg, Jacob vB, Møller, Søren, Ooki, Syuichi, Aaltonen, Sari, Ji, Fuling, Ning, Feng, Pang, Zengchang, Rebato, Esther, Busjahn, Andreas, Kandler, Christian, Saudino, Kimberly J., Jang, Kerry L., Cozen, Wendy, Hwang, Amie E., Mack, Thomas M., Gao, Wenjing, Yu, Canqing, Li, Liming, Corley, Robin P., Huibregtse, Brooke M., Christensen, Kaare, Skytthe, Axel, Kyvik, Kirsten O, Derom, Catherine A., Vlietinck, Robert F., Loos, Ruth J. F., Heikkila, Kauko, Wardle, Jane, Llewellyn, Clare H., Fisher, Abigail, McAdams, Tom A., Eley, Thalia C., Gregory, Alice M., He, Mingguang, Ding, Xiaohu, Bjerregaard-Andersen, Morten, Beck-Nielsen, Henning, Sodemann, Morten, Tarnoki, Adam D., Tarnoki, David L., Stazi, Maria A., Fagnani, Corrado, D'Ippolito, Cristina, Knafo-Noam, Ariel, Mankuta, David, Abramson, Lior, Burt, S. Alexandra, Klump, Kelly L., Silberg, Judy L., Eaves, Lindon J., Maes, Hermine H., Krueger, Robert F., McGue, Matt, Pahlen, Shandell, Gatz, Margaret, Butler, David A., Bartels, Meike, van Beijsterveldt, Toos C. E. M., Craig, Jeffrey M., Saffery, Richard, Freitas, Duarte L., Maia, Jose Antonio, Dubois, Lise, Boivin, Michel, Brendgen, Mara, Dionne, Ginette, Vitaro, Frank, Martin, Nicholas G., Medland, Sarah E., Montgomery, Grant W., Chong, Youngsook, Swan, Gary E., Krasnow, Ruth, Magnusson, Patrik K. E., Pedersen, Nancy L., Tynelius, Per, Lichtenstein, Paul, Haworth, Claire M. A., Plomin, Robert, Bayasgalan, Gombojav, Narandalai, Danshiitsoodol, Harden, K. Paige, Tucker-Drob, Elliot M., Oncel, Sevgi Y., Aliev, Fazil, Spector, Timothy, Mangino, Massimo, Lachance, Genevieve, Baker, Laura A., Tuvblad, Catherine, Duncan, Glen E., Buchwald, Dedra, Willemsen, Gonneke, Rasmussen, Finn, Goldberg, Jack H., Sørensen, Thorkild I.A., Boomsma, Dorret I., and Kaprio, Jaakko

Abstract

Background: Both genetic and environmental factors are known to affect body mass index (BMI), but detailed understanding of how their effects differ during childhood and adolescence is lacking. Objectives: We analyzed the genetic and environmental contributions to BMI variation from infancy to early adulthood and the ways they differ by sex and geographic regions representing high (North America and Australia), moderate (Europe), and low levels (East Asia) of obesogenic environments. Design: Data were available for 87,782 complete twin pairs from 0.5 to 19.5 y of age from 45 cohorts. Analyses were based on 383,092 BMI measurements. Variation in BMI was decomposed into genetic and environmental components through genetic structural equation modeling. Results: The variance of BMI increased from 5 y of age along with increasing mean BMI. The proportion of BMI variation explained by additive genetic factors was lowest at 4 y of age in boys (a2 = 0.42) and girls (a2 = 0.41) and then generally increased to 0.75 in both sexes at 19 y of age. This was because of a stronger influence of environmental factors shared by co-twins in midchildhood. After 15 y of age, the effect of shared environment was not observed. The sex-specific expression of genetic factors was seen in infancy but was most prominent at 13 y of age and older. The variance of BMI was highest in North America and Australia and lowest in East Asia, but the relative proportion of genetic variation to total variation remained roughly similar across different regions. Conclusions: Environmental factors shared by co-twins affect BMI in childhood, but little evidence for their contribution was found in late adolescence. Our results suggest that genetic factors play a major role in the variation of BMI in adolescence among populations of different ethnicities exposed to different e, Background: Both genetic and environmental factors are known to affect body mass index (BMI), but detailed understanding of how their effects differ during childhood and adolescence is lacking. Objectives: We analyzed the genetic and environmental contributions to BMI variation from infancy to early adulthood and the ways they differ by sex and geographic regions representing high (North America and Australia), moderate (Europe), and low levels (East Asia) of obesogenic environments. Design: Data were available for 87,782 complete twin pairs from 0.5 to 19.5 y of age from 45 cohorts. Analyses were based on 383,092 BMI measurements. Variation in BMI was decomposed into genetic and environmental components through genetic structural equation modeling. Results: The variance of BMI increased from 5 y of age along with increasing mean BMI. The proportion of BMI variation explained by additive genetic factors was lowest at 4 y of age in boys (a2 = 0.42) and girls (a2 = 0.41) and then generally increased to 0.75 in both sexes at 19 y of age. This was because of a stronger influence of environmental factors shared by co-twins in midchildhood. After 15 y of age, the effect of shared environment was not observed. The sex-specific expression of genetic factors was seen in infancy but was most prominent at 13 y of age and older. The variance of BMI was highest in North America and Australia and lowest in East Asia, but the relative proportion of genetic variation to total variation remained roughly similar across different regions. Conclusions: Environmental factors shared by co-twins affect BMI in childhood, but little evidence for their contribution was found in late adolescence. Our results suggest that genetic factors play a major role in the variation of BMI in adolescence among populations of different ethnicities exposed to different environmental factors related to obesity.

Published
2016

3. Genetic and environmental influences on height from infancy to early adulthood:An individual-based pooled analysis of 45 twin cohorts

Author

Jelenkovic, Aline, Sund, Reijo, Hur, Yoon-Mi, Yokoyama, Yoshie, Hjelmborg, Jacob V. B., Möller, Sören, Honda, Chika, Magnusson, Patrik K. E., Pedersen, Nancy L., Ooki, Syuichi, Aaltonen, Sari, Stazi, Maria A., Fagnani, Corrado, D'Ippolito, Cristina, Freitas, Duarte L., Maia, Jose Antonio, Ji, Fuling, Ning, Feng, Pang, Zengchang, Rebato, Esther, Busjahn, Andreas, Kandler, Christian, Saudino, Kimberly J., Jang, Kerry L., Cozen, Wendy, Hwang, Amie E., Mack, Thomas M., Gao, Wenjing, Yu, Canqing, Li, Liming, Corley, Robin P., Huibregtse, Brooke M., Derom, Catherine A., Vlietinck, Robert F., Loos, Ruth J. F., Heikkila, Kauko, Wardle, Jane, Llewellyn, Clare H., Fisher, Abigail, McAdams, Tom A., Eley, Thalia C., Gregory, Alice M., He, Mingguang, Ding, Xiaohu, Bjerregaard-Andersen, Morten, Beck-Nielsen, Henning, Sodemann, Morten, Tarnoki, Adam D., Tarnoki, David L., Knafo-Noam, Ariel, Mankuta, David, Abramson, Lior, Burt, S. Alexandra, Klump, Kelly L., Silberg, Judy L., Eaves, Lindon J., Maes, Hermine H., Krueger, Robert F., McGue, Matt, Pahlen, Shandell, Gatz, Margaret, Butler, David A., Bartels, Meike, van Beijsterveldt, Toos C. E. M., Craig, Jeffrey M., Saffery, Richard, Dubois, Lise, Boivin, Michel, Brendgen, Mara, Dionne, Ginette, Vitaro, Frank, Martin, Nicholas G., Medland, Sarah E., Montgomery, Grant W., Swan, Gary E., Krasnow, Ruth, Tynelius, Per, Lichtenstein, Paul, Haworth, Claire M. A., Plomin, Robert, Bayasgalan, Gombojav, Narandalai, Danshiitsoodol, Harden, K. Paige, Tucker-Drob, Elliot M., Spector, Timothy, Mangino, Massimo, Lachance, Genevieve, Baker, Laura A., Tuvblad, Catherine, Duncan, Glen E., Buchwald, Dedra, Willemsen, Gonneke, Skytthe, Axel, Kyvik, Kirsten O., Christensen, Kaare, Oncel, Sevgi Y., Aliev, Fazil, Rasmussen, Finn, Goldberg, Jack H., Sørensen, Thorkild I.A., Boomsma, Dorret I., Kaprio, Jaakko, Silventoinen, Karri, Jelenkovic, Aline, Sund, Reijo, Hur, Yoon-Mi, Yokoyama, Yoshie, Hjelmborg, Jacob V. B., Möller, Sören, Honda, Chika, Magnusson, Patrik K. E., Pedersen, Nancy L., Ooki, Syuichi, Aaltonen, Sari, Stazi, Maria A., Fagnani, Corrado, D'Ippolito, Cristina, Freitas, Duarte L., Maia, Jose Antonio, Ji, Fuling, Ning, Feng, Pang, Zengchang, Rebato, Esther, Busjahn, Andreas, Kandler, Christian, Saudino, Kimberly J., Jang, Kerry L., Cozen, Wendy, Hwang, Amie E., Mack, Thomas M., Gao, Wenjing, Yu, Canqing, Li, Liming, Corley, Robin P., Huibregtse, Brooke M., Derom, Catherine A., Vlietinck, Robert F., Loos, Ruth J. F., Heikkila, Kauko, Wardle, Jane, Llewellyn, Clare H., Fisher, Abigail, McAdams, Tom A., Eley, Thalia C., Gregory, Alice M., He, Mingguang, Ding, Xiaohu, Bjerregaard-Andersen, Morten, Beck-Nielsen, Henning, Sodemann, Morten, Tarnoki, Adam D., Tarnoki, David L., Knafo-Noam, Ariel, Mankuta, David, Abramson, Lior, Burt, S. Alexandra, Klump, Kelly L., Silberg, Judy L., Eaves, Lindon J., Maes, Hermine H., Krueger, Robert F., McGue, Matt, Pahlen, Shandell, Gatz, Margaret, Butler, David A., Bartels, Meike, van Beijsterveldt, Toos C. E. M., Craig, Jeffrey M., Saffery, Richard, Dubois, Lise, Boivin, Michel, Brendgen, Mara, Dionne, Ginette, Vitaro, Frank, Martin, Nicholas G., Medland, Sarah E., Montgomery, Grant W., Swan, Gary E., Krasnow, Ruth, Tynelius, Per, Lichtenstein, Paul, Haworth, Claire M. A., Plomin, Robert, Bayasgalan, Gombojav, Narandalai, Danshiitsoodol, Harden, K. Paige, Tucker-Drob, Elliot M., Spector, Timothy, Mangino, Massimo, Lachance, Genevieve, Baker, Laura A., Tuvblad, Catherine, Duncan, Glen E., Buchwald, Dedra, Willemsen, Gonneke, Skytthe, Axel, Kyvik, Kirsten O., Christensen, Kaare, Oncel, Sevgi Y., Aliev, Fazil, Rasmussen, Finn, Goldberg, Jack H., Sørensen, Thorkild I.A., Boomsma, Dorret I., Kaprio, Jaakko, and Silventoinen, Karri

Abstract

Height variation is known to be determined by both genetic and environmental factors, but a systematic description of how their influences differ by sex, age and global regions is lacking. We conducted an individual-based pooled analysis of 45 twin cohorts from 20 countries, including 180,520 paired measurements at ages 1–19 years. The proportion of height variation explained by shared environmental factors was greatest in early childhood, but these effects remained present until early adulthood. Accordingly, the relative genetic contribution increased with age and was greatest in adolescence (up to 0.83 in boys and 0.76 in girls). Comparing geographic-cultural regions (Europe, North-America and Australia, and East-Asia), genetic variance was greatest in North-America and Australia and lowest in East-Asia, but the relative proportion of genetic variation was roughly similar across these regions. Our findings provide further insights into height variation during childhood and adolescence in populations representing different ethnicities and exposed to different environments.

Published
2016

4. Zygosity Differences in Height and Body Mass Index of Twins From Infancy to Old Age : A Study of the CODATwins Project

Author

Jelenkovic, Aline, Yokoyama, Yoshie, Sund, Reijo, Honda, Chika, Bogl, Leonie H., Aaltonen, Sari, Ji, Fuling, Ning, Feng, Pang, Zengchang, Ordonana, Juan R., Sanchez-Romera, Juan F., Colodro-Conde, Lucia, Burt, S. Alexandra, Klump, Kelly L., Medland, Sarah E., Montgomery, Grant W., Kandler, Christian, McAdams, Tom A., Eley, Thalia C., Gregory, Alice M., Saudino, Kimberly J., Dubois, Lise, Boivin, Michel, Tarnoki, Adam D., Tarnoki, David L., Haworth, Claire M. A., Plomin, Robert, Oncel, Sevgi Y., Aliev, Fazil, Stazi, Maria A., Fagnani, Corrado, D'Ippolito, Cristina, Craig, Jeffrey M., Saffery, Richard, Siribaddana, Sisira H., Hotopf, Matthew, Sumathipala, Athula, Rijsdijk, Fruhling, Spector, Timothy, Mangino, Massimo, Lachance, Genevieve, Gatz, Margaret, Butler, David A., Bayasgalan, Gombojav, Narandalai, Danshiitsoodol, Freitas, Duarte L., Maia, Jose Antonio, Harden, K. Paige, Tucker-Drob, Elliot M., Kim, Bia, Chong, Youngsook, Hong, Changhee, Shin, Hyun Jung, Christensen, Kaare, Skytthe, Axel, Kyvik, Kirsten O., Derom, Catherine A., Vlietinck, Robert F., Loos, Ruth J. F., Cozen, Wendy, Hwang, Amie E., Mack, Thomas M., He, Mingguang, Ding, Xiaohu, Chang, Billy, Silberg, Judy L., Eaves, Lindon J., Maes, Hermine H., Cutler, Tessa L., Hopper, John L., Aujard, Kelly, Magnusson, Patrik K. E., Pedersen, Nancy L., Aslan, Anna K. Dahl, Song, Yun-Mi, Yang, Sarah, Lee, Kayoung, Baker, Laura A., Tuvblad, Catherine, Bjerregaard-Andersen, Morten, Beck-Nielsen, Henning, Sodemann, Morten, Heikkila, Kauko, Tan, Qihua, Zhang, Dongfeng, Swan, Gary E., Krasnow, Ruth, Jang, Kerry L., Knafo-Noam, Ariel, Mankuta, David, Abramson, Lior, Lichtenstein, Paul, Krueger, Robert F., McGue, Matt, Pahlen, Shandell, Tynelius, Per, Duncan, Glen E., Buchwald, Dedra, Corley, Robin P., Huibregtse, Brooke M., Nelson, Tracy L., Whitfield, Keith E., Franz, Carol E., Kremen, William S., Lyons, Michael J., Ooki, Syuichi, Brandt, Ingunn, Nilsen, Thomas Sevenius, Inui, Fujio, Watanabe, Mikio, Bartels, Meike, van Beijsterveldt, Toos C. E. M., Wardle, Jane, Llewellyn, Clare H., Fisher, Abigail, Rebato, Esther, Martin, Nicholas G., Iwatani, Yoshinori, Hayakawa, Kazuo, Sung, Joohon, Harris, Jennifer R., Willemsen, Gonneke, Busjahn, Andreas, Goldberg, Jack H., Rasmussen, Finn, Hur, Yoon-Mi, Boomsma, Dorret I., Sorensen, Thorkild I. A., Kaprio, Jaakko, Silventoinen, Karri, Jelenkovic, Aline, Yokoyama, Yoshie, Sund, Reijo, Honda, Chika, Bogl, Leonie H., Aaltonen, Sari, Ji, Fuling, Ning, Feng, Pang, Zengchang, Ordonana, Juan R., Sanchez-Romera, Juan F., Colodro-Conde, Lucia, Burt, S. Alexandra, Klump, Kelly L., Medland, Sarah E., Montgomery, Grant W., Kandler, Christian, McAdams, Tom A., Eley, Thalia C., Gregory, Alice M., Saudino, Kimberly J., Dubois, Lise, Boivin, Michel, Tarnoki, Adam D., Tarnoki, David L., Haworth, Claire M. A., Plomin, Robert, Oncel, Sevgi Y., Aliev, Fazil, Stazi, Maria A., Fagnani, Corrado, D'Ippolito, Cristina, Craig, Jeffrey M., Saffery, Richard, Siribaddana, Sisira H., Hotopf, Matthew, Sumathipala, Athula, Rijsdijk, Fruhling, Spector, Timothy, Mangino, Massimo, Lachance, Genevieve, Gatz, Margaret, Butler, David A., Bayasgalan, Gombojav, Narandalai, Danshiitsoodol, Freitas, Duarte L., Maia, Jose Antonio, Harden, K. Paige, Tucker-Drob, Elliot M., Kim, Bia, Chong, Youngsook, Hong, Changhee, Shin, Hyun Jung, Christensen, Kaare, Skytthe, Axel, Kyvik, Kirsten O., Derom, Catherine A., Vlietinck, Robert F., Loos, Ruth J. F., Cozen, Wendy, Hwang, Amie E., Mack, Thomas M., He, Mingguang, Ding, Xiaohu, Chang, Billy, Silberg, Judy L., Eaves, Lindon J., Maes, Hermine H., Cutler, Tessa L., Hopper, John L., Aujard, Kelly, Magnusson, Patrik K. E., Pedersen, Nancy L., Aslan, Anna K. Dahl, Song, Yun-Mi, Yang, Sarah, Lee, Kayoung, Baker, Laura A., Tuvblad, Catherine, Bjerregaard-Andersen, Morten, Beck-Nielsen, Henning, Sodemann, Morten, Heikkila, Kauko, Tan, Qihua, Zhang, Dongfeng, Swan, Gary E., Krasnow, Ruth, Jang, Kerry L., Knafo-Noam, Ariel, Mankuta, David, Abramson, Lior, Lichtenstein, Paul, Krueger, Robert F., McGue, Matt, Pahlen, Shandell, Tynelius, Per, Duncan, Glen E., Buchwald, Dedra, Corley, Robin P., Huibregtse, Brooke M., Nelson, Tracy L., Whitfield, Keith E., Franz, Carol E., Kremen, William S., Lyons, Michael J., Ooki, Syuichi, Brandt, Ingunn, Nilsen, Thomas Sevenius, Inui, Fujio, Watanabe, Mikio, Bartels, Meike, van Beijsterveldt, Toos C. E. M., Wardle, Jane, Llewellyn, Clare H., Fisher, Abigail, Rebato, Esther, Martin, Nicholas G., Iwatani, Yoshinori, Hayakawa, Kazuo, Sung, Joohon, Harris, Jennifer R., Willemsen, Gonneke, Busjahn, Andreas, Goldberg, Jack H., Rasmussen, Finn, Hur, Yoon-Mi, Boomsma, Dorret I., Sorensen, Thorkild I. A., Kaprio, Jaakko, and Silventoinen, Karri

Abstract

A trend toward greater body size in dizygotic (DZ) than in monozygotic (MZ) twins has been suggested by some but not all studies, and this difference may also vary by age. We analyzed zygosity differences in mean values and variances of height and body mass index (BMI) among male and female twins from infancy to old age. Data were derived from an international database of 54 twin cohorts participating in the COllaborative project of Development of Anthropometrical measures in Twins (CODATwins), and included 842,951 height and BMI measurements from twins aged 1 to 102 years. The results showed that DZ twins were consistently taller than MZ twins, with differences of up to 2.0 cm in childhood and adolescence and up to 0.9 cm in adulthood. Similarly, a greater mean BMI of up to 0.3 kg/m(2) in childhood and adolescence and up to 0.2 kg/m(2) in adulthood was observed in DZ twins, although the pattern was less consistent. DZ twins presented up to 1.7% greater height and 1.9% greater BMI than MZ twins; these percentage differences were largest in middle and late childhood and decreased with age in both sexes. The variance of height was similar in MZ and DZ twins at most ages. In contrast, the variance of BMI was significantly higher in DZ than in MZ twins, particularly in childhood. In conclusion, DZ twins were generally taller and had greater BMI than MZ twins, but the differences decreased with age in both sexes.

Published
2015
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