1. Identifying the Active Ingredients in Personalized Feedback Interventions for Hazardous Alcohol Use John Cunningham National Institute for Mental Health Research

2. 2 Check Your Drinking screener www.checkyourdrinking.net –18 Item Survey Contains: AUDIT Drinking on each day of a typical week Greatest amount on a single occasion Experience of psychosocial consequences Demographics Normative comparison data for USA, Canada and United Kingdom

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5. How does the intervention work? Other researchers have found that correcting normative perceptions mediates the impact of the intervention –Statistical mediator analyses Need to conduct research where hypothesized mediator is systematically varied as part of the experimental design

6. Pilot study Recruiting participants to ‘help us revise and evaluation Internet-based interventions for alcohol users’ Randomize to four conditions in two by two design: –Provide/don’t provide normative feedback –Provide/don’t provide other personalized feedback Three-month follow-up 809 participants recruited (596; 73% fu) 6

7. Drinks in a typical week

8. 8 Collaborators and Funding Collaborators: Christian Hendershot, Michelle Murphy Sources of Funding: Centre for Addiction and Mental Health Canadian Institutes of Health Research Canada Research Chair Contact: John.Cunningham@anu.edu.au