2.6. Measures
SECONDARY
The primary outcome was the quantity and frequency of alcohol consumption during a typical week, which was measured using the Daily Drinking Questionnaire-Revised (DDQ) (The following eight secondary outcomes were measured: the number of drinks consumed on a typical weekend and on the occasion of greatest consumption, as measured through the DDQ; the highest BAC during a typical week and on the occasion of greatest consumption, estimated using the quantity/frequency/peak index (QF) Index (All outcome measures accounted for alcohol consumption during the past month.These assessments were made twice: before (baseline assessment) and 1 month after the program (follow-up assessment).