A dual-process model of early substance use: Tests in two diverse populations of adolescents

Thomas A. Wills, Erin O.Carroll Bantum, Pallav Pokhrel, Jay E. Maddock, Michael G. Ainette, Ellen Morehouse, Bonnie Fenster

Research output: Contribution to journalArticlepeer-review

34 Scopus citations

Abstract

Objective: We tested a dual-process model based on behavioral and emotional regulation constructs, which posits that good self-control and poor regulation make independent contributions and have different types of pathways to outcomes. The utility of the model for predicting substance use was tested in two diverse populations of younger adolescents. Method: A survey was administered in classrooms to middle-school students in Westchester County, New York (N = 601) and Honolulu, Hawaii (N = 881). The New York sample was 8% African American, 5% Asian American, 47% Caucasian, 31% Hispanic, and 9% other ethnicity. The Hawaii sample was 21% Asian American, 8% Caucasian, 26% Native Hawaiian/Pacific Islander, 34% Filipino, and 10% other ethnicity. Structural equation modeling analyses tested pathways from the four regulation variables through six hypothesized mediators to a criterion construct of substance use (tobacco, alcohol, and marijuana). Results: Results were replicated across samples and were consistent with prediction. Unique contributions were found for good self-control and poor regulation, including both behavioral and emotional aspects. Good self-control had an inverse effect on substance use primarily through relations to higher levels of protective factors (e.g., academic competence). Poor regulation independently had a risk-promoting effect on substance use through relations to higher levels of risk factors (e.g., negative life events). Conclusions: Two field studies showed the dual-process model is robust across different populations. Substance prevention programs should consider approaches for enhancing good self-control as well as procedures for reducing poor regulation and minimizing its impact. Extensions to health behaviors including dietary intake and physical activity are discussed.

Original languageEnglish (US)
Pages (from-to)533-542
Number of pages10
JournalHealth Psychology
Volume32
Issue number5
DOIs
StatePublished - 2013

Keywords

  • Adolescents
  • Dual-process theory
  • Mediation
  • Self-control
  • Substance use

ASJC Scopus subject areas

  • Applied Psychology
  • Psychiatry and Mental health

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