Reactivity to alcohol assessment measures: an experimental test

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Abstract
Aims  Previous research has suggested that alcohol screening and assessment may affect drinking.Design  This study was a randomized test of reactivity to alcohol assessment questionnaires among a group of heavy drinking college students.Setting and participants  A total of 147 university students completed a screening questionnaire and were randomized to either immediate assessment or delayed assessment. The immediate assessment group completed a set of drinking questionnaires at baseline, 3, 6 and 12 months, while the delayed assessment group completed questionnaires only at 12 months.Measurements  Primary outcomes included overall volume of drinking, risky drinking and use of risk reduction behaviors.Findings  We found a significant effect of assessment on measures of risky drinking and risk reduction behaviors, but not on overall volume of drinking. Specifically, at 12 months, participants who had previously completed drinking assessments had a lower peak blood alcohol concentration (BAC) (d = −0.373), were more likely to report a low score on the Alcohol Use Disorders Identification Test (AUDIT; odds ratio = 2.55) and tended to use more strategies to moderate their alcohol consumption (d = 0.352). Risk reduction behaviors that were affected tended to be those that limited alcohol consumption, rather than those that minimized consequences.Conclusions  These results may have implications for the development of brief interventions.

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