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Randomized Controlled Trial
. 2013 Mar;38(3):1732-9.
doi: 10.1016/j.addbeh.2012.09.006. Epub 2012 Sep 23.

Project reduce: reducing alcohol and marijuana misuse: effects of a brief intervention in the emergency department

Robert Woolard  1 , Janette Baird, Richard Longabaugh, Ted Nirenberg, Christina S Lee, Michael J Mello, Bruce Becker
Affiliations
Randomized Controlled Trial

Project reduce: reducing alcohol and marijuana misuse: effects of a brief intervention in the emergency department

Robert Woolard et al. Addict Behav. 2013 Mar.

Abstract

Study objective: Brief interventions (BI) for alcohol misuse and recently for marijuana use for emergency department patients have demonstrated effectiveness. We report a 12-month outcome data of a randomized controlled trial of emergency department (ED) patients using a novel model of BI that addresses both alcohol and marijuana use.

Methods: ED research assistants recruited adult patients who admitted alcohol use in the last month, and marijuana use in the last year. In the ED, patients received an assessment of alcohol and marijuana use and were randomized to treatment (n=249) or standard care (n=266). Treatment consisted of two sessions of BI. At 3 and 12months, both groups had an assessment of alcohol and marijuana use and negative consequences of use.

Results: 515 patients were randomized. We completed a 12-month follow-up assessments on 83% of those randomized. Measures of binge drinking and conjoint marijuana and alcohol use significantly decreased for the treatment group compared to the standard care group. At 12-month binge alcohol use days per month in the treatment group were (M=0.72:95% CI=0.36-1.12) compared to standard care group (M=1.77:95% CI=1.19-1.57) Conjoint use days in the treatment group (M=1.25.1:95% CI=0.81-1.54) compared to standard care group (M=2.16:95% CI=1.56-2.86). No differences in negative consequences or injuries were seen between the treatment and standard care groups.

Conclusions: BI for alcohol and marijuana decreased binge drinking and conjoint use in our treatment group. BI appears to offer a mechanism to reduce risky alcohol and marijuana use among ED patients but expected reductions in consequences of use such as injury were not found 12months after the ED visit.

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