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Predicting marijuana use among adolescents.

B A Vulcano1, G E Barnes, P Langstaff

  • 1Department of Psychology, Saint Mary's University, Halifax, Nova Scotia, Canada.

The International Journal of the Addictions
|May 1, 1990
PubMed
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Delinquent adolescents report higher marijuana use. A refined problem behavior model, incorporating personality traits like stimulus reducing-augmenting, better predicts adolescent marijuana use, with peer influence being a key factor.

Area of Science:

  • Psychology
  • Criminology
  • Adolescent Health

Background:

  • Adolescent marijuana use is a significant public health concern.
  • Existing models for predicting adolescent substance use require refinement.
  • Understanding the interplay of personality and environmental factors is crucial.

Purpose of the Study:

  • To compare marijuana use between delinquent and non-delinquent adolescents.
  • To evaluate an expanded problem behavior model for predicting adolescent marijuana use.
  • To identify the most significant predictors of marijuana involvement.

Main Methods:

  • Comparative analysis of marijuana use prevalence in delinquent versus non-delinquent groups.
  • Multiple regression analyses utilizing an expanded problem behavior model.

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  • Inclusion of personality variables (e.g., stimulus reducing-augmenting) and environmental factors.

    • Main Results:

    • Delinquents exhibited higher rates of marijuana use compared to non-delinquents.
    • The expanded problem behavior model demonstrated improved prediction of adolescent marijuana use.
    • The stimulus reducing-augmenting dimension emerged as a significant predictor, surpassing traditional variables.

    Conclusions:

    • Peer influence (pressure and modeling) strongly predicts adolescent marijuana use.
    • Personality traits, particularly stimulus reducing-augmenting, offer valuable predictive insights.
    • The refined model provides a more comprehensive understanding of adolescent marijuana use drivers.