The major objective of this project is to conduct a randomized controlled trial comparing the impact of the normative feedback and other personalized feedback components of the Check Your Drinking (CYD) Internet-based intervention in the general population. Eligible problem drinking participants will be randomly assigned to one of four conditions in a 2 by 2 design - to receive just the normative feedback component of the CYD intervention, just the other personalized feedback information, to a no intervention control condition, or to receive the full CYD intervention. The no intervention control condition will not be sent any intervention materials but will instead be sent a list of the different components of the CYD feedback and will be asked to think about how useful they would find each of them. All participants will be followed-up at 3 months.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Enrollment
804
The CYD provides problem drinkers with a personalized summary of their drinking that compares his or her drinking with that of the general population. The CYD also provides an assessment of the severity of the person's drinking problem.
Centre for Addiction and Mental Health
Toronto, Ontario, Canada
Drinks in a typical week
Number of drinks in a typical week
Time frame: 3 months
AUDIT-C score
Composite measure of three drinking items - frequency of drinking, drinks per drinking day, frequency of 5+ drinking days
Time frame: 3 months
Highest number of drinks on one occasion
Highest number of drinks on one occasion in the past 3 months
Time frame: 3 months
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