Article
Genetic and environmental influences on longitudinal changes in leisure-time physical activity from adolescence to young adulthood.
Twin research and human genetics : the official journal of the International Society for Twin Studies - 1 Apr 2013
Aaltonen Sari, Ortega-Alonso Alfredo, Kujala Urho M, Kaprio Jaakko
Abstract excerpt
The aim of this study was to estimate genetic and environmental influences on the longitudinal evolution of leisure-time physical activity habits from adolescence to young adulthood. Data were gathered at four time points, at mean ages 16.2, 17.1, 18.6, and 24.5 years. At baseline, the sample comprised 5,216 monozygotic and dizygotic twins, born 1975-1979, and, at the last follow-up point, of 4,531 monozygotic...
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