Tolerance: How many drinks can you hold (“hold” version; ≥ 6 drinks indicates tolerance), or how many drinks does it take before you begin to feel the first effects of the alcohol? (“high” version; ≥ 3 indicates tolerance)

Worried: Have close friends or relatives worried or complained about your drinking in the past year?

Eye openers: Do you sometimes take a drink in the morning when you first get up?

Amnesia: Has a friend or family member ever told you about things you said or did while you were drinking that you could not remember?

Kut down: Do you sometimes feel the need to cut down on your drinking?