Universal intervention as a protective shield against exposure to substance use: Long-term outcomes and public health significance

R. Spoth, M. Guyll and C. Shin

American Journal of Public Health, 2009, vol. 99, issue 11, 2026-2033

Abstract: Objectives. We examined universal preventive intervention effects on adolescents' exposure to opportunities for substance use and on illicit substance use in the long term. Methods. Public schools (N=22) were randomly assigned to the Iowa Strengthening Families Program (ISFP) or a control condition. We used odds ratio (OR) calculations and structural modeling to test the effects of the ISFP in the 6th grade on exposure to substance use across adolescence, as well as on 12th-grade illicit substance use occurring via reductions in exposure. Results. The ISFP was associated with reduced exposure to illicit substance use (1.25≤OR≤2.37) that was, in turn, associated with reduced 12th-grade substance use (2.87≤OR≤6.35). The ISFP also reduced the rate of increase in exposure across adolescence (B=-0.37; P

Date: 2009
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Persistent link: https://EconPapers.repec.org/RePEc:aph:ajpbhl:10.2105/ajph.2007.133298_7

DOI: 10.2105/AJPH.2007.133298

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