Communities mobilizing for change on alcohol: Outcomes from a randomized community trial

Alexander C. Wagenaar, David M. Murray, John P. Gehan, Mark Wolfson, Jean L. Forster, Traci L. Toomey, Cheryl L. Perry, Rhonda Jones-Webb

Research output: Contribution to journalArticlepeer-review

179 Scopus citations

Abstract

Objective: Communities Mobilizing for Change on Alcohol (CMCA) was a randomized 15-community trial of a community organizing intervention designed to reduce the accessibility of alcoholic beverages to youths under the legal drinking age. Method: Data were collected at baseline before random assignment of communities to intervention or control condition, and again at follow-up after a 2.5-year intervention. Data collection included in-school surveys of twelfth graders, telephone surveys of 18- to 20-year-olds and alcohol merchants, and direct testing of the propensity of alcohol outlets to sell to young buyers. Analyses were based on mixed-model regression, used the community as the unit of assignment, took into account the nesting of individual respondents or alcohol outlets within each community, and controlled for relevant covariates. Results: Results show that the CMCA intervention significantly and favorably affected both the behavior of 18- to 20-year-olds (effect size = 0.76, p < .01) and the practices of on-sale alcohol establishments (effect size = 1.18, p < .05), may have favorably affected the practices of off-sale alcohol establishments (effect size = 0.32, p = .08), but had little effect on younger adolescents. Alcohol merchants appear to have increased age-identification checking and reduced propensity to sell to minors. Eighteen- to 20-year-olds reduced their propensity to provide alcohol to other teens and were less likely to try to buy alcohol, drink in a bar or consume alcohol. Conclusions: Community organizing is a useful intervention approach for mobilizing communities for institutional and policy change to improve the health of the population.

Original languageEnglish (US)
Pages (from-to)85-94
Number of pages10
JournalJournal of Studies on Alcohol
Volume61
Issue number1
DOIs
StatePublished - Jan 2000

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