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Substance use clusters in a college sample: a multitheoretical approach

P A Minugh1, L L Harlow

  • 1Center for Alcohol and Addiction Studies, Brown University, Providence, RI 02912.

Journal of Substance Abuse
|January 1, 1994
PubMed
Summary
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This study identified four distinct substance use patterns in college students. Higher frequency and intensity of substance use correlated with increased life problems, aiding prevention efforts.

Area of Science:

  • Psychology
  • Sociology
  • Public Health

Background:

  • College students are a key demographic for studying substance use patterns.
  • Understanding diverse substance use behaviors is crucial for targeted interventions.
  • Previous research often lacks detailed cross-validation of identified substance use typologies.

Purpose of the Study:

  • To identify and validate distinct substance use profiles among college students.
  • To examine the external validity of identified substance use clusters.
  • To investigate relationships between substance use patterns and psychosocial factors.

Main Methods:

  • Cluster analysis was applied to self-reported data on frequency, intensity, and amount of various substances (beer, hard liquor, marijuana, amphetamines, barbiturates, psychedelics, cocaine, heroin) in two independent samples (N=291, N=602).

Related Experiment Videos

  • Principal Components Analysis (PCA) reduced variables into four substance use composites.
  • Four distinct clusters of substance use groups were identified using two cluster analysis methods and validated against peer/family influence, psychosocial functioning, habit acquisition, and self-efficacy.

    • Main Results:

    • Four distinct clusters of substance use were consistently identified across both samples.
    • These clusters demonstrated significant differences in peer and family influence, psychosocial functioning, habit acquisition, and self-efficacy.
    • A positive correlation was observed between increased frequency/intensity of substance use and reported life problems.

    Conclusions:

    • The identified substance use typologies provide a framework for understanding diverse patterns in college populations.
    • Findings suggest that higher levels of substance engagement are associated with greater life difficulties.
    • The results have implications for early identification, prevention strategies, and educational programs targeting substance use in higher education.