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Adolescent antisocial behavior and substance use: longitudinal analyses.

Sigrun Adalbjarnardottir1, Fjolvar Darri Rafnsson

  • 1Faculty of Social Sciences, Oddi, University of Iceland, Reykjavik. sa@hi.is

Addictive Behaviors
|January 31, 2002
PubMed
Summary

Antisocial behavior in 14-year-olds predicts later daily smoking and illicit drug use by age 17. Parental drinking also influences heavy alcohol consumption in adolescents with early antisocial traits.

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Area of Science:

  • Adolescent Psychology
  • Developmental Psychology
  • Substance Use Research

Background:

  • Longitudinal studies are crucial for understanding developmental trajectories of adolescent behavior.
  • Early adolescent antisocial behavior is a known risk factor for later substance use.
  • The influence of peer and parental factors on adolescent substance use requires further investigation.

Purpose of the Study:

  • To examine the longitudinal relationship between adolescent antisocial behavior and substance use.
  • To investigate the predictive power of early antisocial traits on daily smoking, heavy alcohol use, and illicit drug use.
  • To explore the moderating roles of peer and parental influences on these associations.

Main Methods:

  • Longitudinal cohort study of 1293 adolescents in Reykjavik, Iceland.

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  • Data collected at age 14 (9th grade) and follow-up at age 17.
  • Statistical analyses controlled for baseline substance use experimentation and peer substance use.

    • Main Results:

    • Adolescents with higher levels of antisocial behavior at age 14 were significantly more likely to engage in daily smoking and illicit drug use at age 17.
    • Even after excluding participants who experimented with smoking or had smoking peers, the association persisted.
    • For adolescents with no prior alcohol experimentation, early antisocial behavior predicted heavy alcohol use at age 17, particularly if parents also drank.

    Conclusions:

    • Antisocial behavior in early adolescence is a robust predictor of later substance use, including daily smoking and illicit drug use.
    • Parental drinking habits may exacerbate the risk of heavy alcohol consumption in adolescents with predispositions toward antisocial behavior.
    • These findings highlight the importance of early intervention for antisocial behavior to prevent future substance use problems.