Alcohol assessment and feedback by email for university students: main findings from a randomised controlled trial

• Background less thanbrgreater than less thanbrgreater thanBrief interventions can be efficacious in changing alcohol consumption and increasingly take advantage of the internet to reach high-risk populations such as students. less thanbrgreater than less thanbrgreater thanAims less thanbrgreater than less thanbrgreater thanTo evaluate the effectiveness of a brief online intervention, controlling for the possible effects of the research process. less thanbrgreater than less thanbrgreater thanMethod less thanbrgreater than less thanbrgreater thanA three-arm parallel groups design was used to explore the magnitude of the feedback and assessment component effects. The three groups were: alcohol assessment and feedback (group 1); alcohol assessment only without feedback (group 2); and no contact, and thus neither assessment nor feedback (group 3). Outcomes were evaluated after 3 months via an invitation to participate in a brief cross-sectional lifestyle survey. The study was undertaken in two universities randomising the email addresses of all 14 910 students (the AMADEUS-1 study, trial registration: ISRCTN28328154). less thanbrgreater than less thanbrgreater thanResults less thanbrgreater than less thanbrgreater thanOverall, 52% (n=7809) of students completed follow-up, with small differences in attrition between the three groups. For each of the two primary outcomes, there was one statistically significant difference between groups, with group 1 having 3.7% fewer risky drinkers at follow-up than group 3 (P=0.006) and group 2 scoring 0.16 points lower than group 3 on the three alcohol consumption questions from the Alcohol Use Disorders Identification Test (AUDIT-C) (P = 0.039). less thanbrgreater than less thanbrgreater thanConclusions less thanbrgreater than less thanbrgreater thanThis study provides some evidence of population-level benefit attained through intervening with individual students.

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