Sex Differences in Peer Selection and Socialization for Alcohol Use from Adolescence to Young Adulthood and the Influence of Marital and Parental Status.

These findings indicated that across the adolescence-to-young adulthood transition, peer selection processes were more influential than peer socialization. Marital and parental roles were associated with both lower young adult alcohol use and a lower percentage of friends using alcohol, with stronger role-related effects for females relative to males.