Table 1 Demographics

Age (years): mean (SD)

Educated at least to degree level: n (%)

White British: n (%)

Living in UK: n (%)

AUDIT-C: mean (SD)

Past week’s alcohol consumption in units: arithmetic mean (SD)^a

Past week’s alcohol consumption in units: geometric mean (approx. SD^b)^a

Number of drinking days in past week: mean (SD)^a

Number of days drinking >6 ♀/>8 ♂ units of alcohol in past week: mean (SD)^a

Drinking >14 ♀/>21 ♂ units of alcohol in past week: n (%)^a,c

Drinking >35 ♀/>50 ♂ units of alcohol in past week: n (%)^a,d