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Am J Drug Alcohol Abuse. 2009;35(4):253-9. doi: 10.1080/00952990903005882.

Employing complier average causal effect analytic methods to examine effects of randomized encouragement trials.

Author information

1
Department of Psychology, Case Western Reserve University, Cleveland, Ohio 44106, USA.

Abstract

AIMS:

This article details the application of Complier Average Causal Effect (CACE) analysis to the examination of youth outcomes from adaptive substance use prevention trials.

METHODS:

CACE analysis is illustrated using youth-reports of tobacco-use from ages 11 to 22, from the Adolescent Transitions Program, a family-focused randomized encouragement trial designed for delivery in the school setting.

RESULTS:

Female gender and early peer deviance predicted family engagement with active intervention components. Further, long-term reductions in youth tobacco use from age 11 to age 22 were found for families that engaged with treatment.

CONCLUSIONS:

CACE modeling techniques enable researchers to examine factors that predict engagement with core intervention components and to examine intervention effects specifically for youth who engaged with those components.

PMID:
20180678
PMCID:
PMC2845534
DOI:
10.1080/00952990903005882
[Indexed for MEDLINE]
Free PMC Article

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