Alcohol consumption (drinking five drinks or more per one occasion) and regrets after drinking were measured by two items from The Alcohol Use Disorders Identification Test (AUDIT-Scale).
Neysla áfengis (neysla a.m.k. fimm drykkja í einu s.l. 12 mánuði) sem og sektarkenndar eftir drykkju var mæld með spurningum úr AUDIT-kvarðanum (The Alcohol Use Disorders Identification Test).