Article
Genetic and environmental influences on the ages of drinking and gambling initiation: evidence for distinct aetiologies and sex differences.
Addiction (Abingdon, England) - 1 Feb 2014
Richmond-Rakerd Leah S, Slutske Wendy S, Heath Andrew C, Martin Nicholas G
Abstract excerpt
AIMS: To investigate the genetic and environmental contributions to age at first drink (AFD) and age first gambled (AFG), assess their overlap and examine sex differences. DESIGN: Univariate twin models were fitted to decompose the variation in AFD and AFG into additive genetic, shared environmental and unique environmental factors. Bivariate genetic models were fitted to assess the genetic and environmental...
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