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J Stud Alcohol Drugs. 2007 May;68(3):399-409.

Alcohol risk-reduction skills training in a national fraternity: a randomized intervention trial with longitudinal intent-to-treat analysis.

Author information

  • 1Center for Studies on Alcohol, Westat, Rockville, MD 20850, USA. barrycaudill@westat.com

Abstract

OBJECTIVE:

The potential effectiveness of two group-administered social-skills training interventions for reducing high-risk drinking behavior was evaluated through a prospective randomized intervention trial with 3,406 members of a national college fraternity.

METHOD:

Ninety eight of 99 chapters of a national fraternity were randomly assigned, within three strata, to receive (1) a 3-hour baseline intervention, (2) the same baseline intervention plus two booster sessions, or (3) assessments only. The current article emphasizes a rigorous intent-to-treat analysis model that compares outcomes among members assigned to receive study interventions (vs assessment-only sites) regardless of whether they actually did receive them; it also includes individuals at intervention sites even if they did not participate. This model allows us to address a social policy issue regarding the effect that introducing such an intervention may have in changing the high-risk normative drinking environment of the fraternity itself.

RESULTS:

Frequent heavy drinkers (64.2% of members) assigned to either intervention showed significant reductions at a 6-month follow-up in their frequency of drinking, heavy drinking, and drinking to intoxication; plus, they reported consuming fewer drinks overall. At 12 and 18 months postbaseline, these positive outcomes had largely dissipated. Additionally, there was an increase in drinking among lower-risk members 18 months postbaseline, which may be the result of factors other than differential attrition.

CONCLUSIONS:

Findings suggest that introducing such a brief intervention can effectively reduce risky drinking behavior on a short-term basis in high-risk members of a national fraternity. Future studies may wish to focus on strategies for sustaining positive outcomes for longer, plus would benefit, in general, from learning more about mechanisms of change.

PMID:
17446980
[PubMed - indexed for MEDLINE]
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