Attrition in substance abuse prevention research: A Meta–Analysis of 85 Longitudinally Followed Cohorts

William B. Hansen; Nancy S. Tobler; John W. Graham

doi:10.1177/0193841X9001400608

Attrition in substance abuse prevention research: A Meta–Analysis of 85 Longitudinally Followed Cohorts

William B. Hansen, Nancy S. Tobler, John W. Graham

Biobehavioral Health

Research output: Contribution to journal › Article › peer-review

123 Scopus citations

Abstract

A meta-analysis of substance abuse prevention studies revealed that the mean proportion of subjects retained dropped from 81.4% at 3-month to 67.5% at 3-year follow-ups. Time from pretest alone accounted for less than 5% of the variance. Other available predictors of retention were not significant. Researchers are encouraged to interpret their results in light of these normative data and to adopt second-effort strategies to reduce attrition.

Original language	English (US)
Pages (from-to)	677-685
Number of pages	9
Journal	Evaluation Review
Volume	14
Issue number	6
DOIs	https://doi.org/10.1177/0193841X9001400608
State	Published - Jan 1 1990

All Science Journal Classification (ASJC) codes

Arts and Humanities (miscellaneous)
Social Sciences(all)

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Attrition in substance abuse prevention research: A Meta–Analysis of 85 Longitudinally Followed Cohorts

Abstract

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