Article
Genetic and environmental contributions to the diversity of substances used in adolescent twins: a longitudinal study of age and sex effects.
Addiction (Abingdon, England) - 1 Oct 2008
Derringer Jaime, Krueger Robert F, McGue Matt, Iacono William G
Abstract excerpt
AIMS: To determine how genetic and environmental contributions affecting the number of psychoactive substances used varies with age and gender over the course of adolescence. DESIGN: Estimates of genetic, shared environmental and non-shared environmental contributions to total variance in diversity of substances used at ages 11, 14 and 17 years were obtained by fitting a multivariate behavior genetic (Cholesky)...
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