This research uses a longitudinal design to examine aggression and prosocial behaviour as early predictors of substance use behaviours in emerging adulthood. Using data from the National Longitudinal Survey of Children and Youth (NLSCY), self-and maternal reports of early engagement in relationally and physically aggressive behaviours and prosocial behaviours are examined as predictors of cigarette smoking, marijuana use, and alcohol use in emerging adulthood. Using multinomial regression analyses we found that maternal reports of relational aggression significantly predicted daily smoking whereas self-reports did not. Maternal reports of relational and physical aggression did not predict alcohol use and marijuana use; however, self-reports of relational aggression and prosocial behaviour predicted weekly marijuana use in this representative Canadian sample.

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Keywords Emerging adulthood, Physical aggression, Relational aggression, Substance use
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Journal Canadian Journal of Community Mental Health
Quigley, D. (Danielle), & Maggi, S. (2014). Predicting substance use from childhood aggression and prosocial behaviour. Canadian Journal of Community Mental Health, 33(3), 1–15. doi:10.7870/cjcmh-2014-011