Croatian twin study of body mass index and physical activity

Earlier studies have established that a substantial percentage of variance in obesity-related phenotypes and in exercise behaviors is influenced by genetic and environmental effects. Heritability estimates from different countries range between 65 and 85% for body mass index (BMI), while this percen...

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Permalink: http://skupnikatalog.nsk.hr/Record/ffzg.KOHA-OAI-FFZG:317898/Details
Matična publikacija: Behavior Genetics
0001-8244
Glavni autori: Vukasović, Tena (-), Butković, Ana (Author), Bratko, Denis
Vrsta građe: Članak
Jezik: eng
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035 |a (CROSBI)586989 
040 |a HR-ZaFF  |b hrv  |c HR-ZaFF  |e ppiak 
100 1 |9 795  |a Vukasović, Tena 
245 1 0 |a Croatian twin study of body mass index and physical activity /  |c Vukasović, Tena ; Butković, Ana ; Bratko, Denis. 
300 |a 975-976  |f str. 
363 |a 42  |b 6  |i 2012 
500 |a 42nd Annual Meeting of the Behavior Genetics Association (22.-25.06.2012. ; Edinburgh, Ujedinjeno Kraljevstvo) 
520 |a Earlier studies have established that a substantial percentage of variance in obesity-related phenotypes and in exercise behaviors is influenced by genetic and environmental effects. Heritability estimates from different countries range between 65 and 85% for body mass index (BMI), while this percentage is somewhat lower for exercise behavior (35-55%). The aim of this study was to explore the relationship between BMI and physical activity in a sample of Croatian twins. Data on BMI and physical activity (frequency and intensity) were collected from 339 twin pairs (105 MZ and 234 DZ) aged between 15 and 22 years. Heritability estimates from our study are in line with those obtained in previous studies indicating that genetic factors contribute around 80% to individual differences in BMI, around 60% for the frequency of physical activity (FPA) and around 50% for the intensity of physical activity (IPA). Bivariate analyses indicate that there is a positive genetic (rA=.21) and a negative non-shared environmental correlation (rE=-.34) between FPA and BMI, meaning that the same genetic factors contributing to higher FPA also contribute to higher BMI. On the other hand, same non-shared environmental factors contributing to higher FPA also contribute to lower BMI. Genetic and non-shared environmental correlations between BMI and IPA were not statistically significant. 
536 |a Projekt MZOS  |f 130-1301683-1399 
546 |a ENG 
690 |a 5.06 
693 |a twin study, heritability, BMI, physical activity  |l eng  |2 crosbi 
700 1 |9 697  |a Butković, Ana  |4 aut 
700 1 |9 398  |a Bratko, Denis  |4 aut 
773 0 |t Behavior Genetics  |n DOI:10.1007/s10519-012-9566-6  |x 0001-8244  |g 42 (2012), 6 ; str. 975-976 
942 |c RZB  |u 2  |v Recenzija  |z Znanstveni - Poster - Sazetak  |t 1.12 
962 |w WOS:000309659800213 
999 |c 317898  |d 317896