Supplementary Table 1. Numerical conversions of questionnaire responses. Question Conversion factor In the year before last, how often did you “FreqB/W/S” drink any kind of alcohol/beer/wine/spirits? (4 questions) Never 0 1 day per month or less often 0.25 2-3 days per month 0.625 1 day per week 1 2 days per week 2 3-4 days per week 3.5 5-6 days per week 5.5 day 7 On the days you drank beer in the year “VolB” before last, how much did you usually drink in a single day? Less than 200ml (less than 1 glass) 100 200ml (1 glass/pony) 200 300ml (1 pot/middy) 300 375ml (1 stubby/can) 375 400ml (1 schooner or 2 glasses/ponies) 400 600ml (1 pint or 2 pots/middy or 3 600 glasses/ponies) 750ml (1 long neck bottle or 2 750 stubbies/cans) 800 ml (2 schooners or 4 glasses/ponies) 800 900ml (3 pots/middies) 900 1000ml (5 glasses/ponies) 1000 1125ml (3 stubbies/cans) 1125 1200ml (6 glasses/ponies or 3 schooners 1200 or 2 pints) 1500ml (5 pots/middies or 4 1500 stubbies/cans) More than 1500ml 2000 In the year before last, how much of the “Light” beer you drank was light (low alcohol) beer? None or almost none 0 Less than half 0.25 About half 0.5 More than half 0.75 All or almost all 1 On the days you drank wine in the year “VolW” before last, how much did you usually drink in a single day? Less than 150ml (less than one glass) 100 150ml (1 glass) 150 300ml (2 glasses) 300
Supplementary Table 1. Numerical conversions of questionnaire responses. Question Conversion factor In the year before last, how often did you drink any kind of alcohol/beer/wine/spirits? (4 questions) “FreqB/W/S” Never 1 day per month or less often 2-3 days per month 1 day per week 2 days per week 3-4 days per week 5-6 days per week day 0 0.25 0.625 1 2 3.5 5.5 7 On the days you drank beer in the year before last, how much did you usually drink in a single day? “VolB” Less than 200ml (less than 1 glass) 200ml (1 glass/pony) 300ml (1 pot/middy) 375ml (1 stubby/can) 400ml (1 schooner or 2 glasses/ponies) 600ml (1 pint or 2 pots/middy or 3 glasses/ponies) 750ml (1 long neck bottle or 2 stubbies/cans) 800 ml (2 schooners or 4 glasses/ponies) 900ml (3 pots/middies) 1000ml (5 glasses/ponies) 1125ml (3 stubbies/cans) 1200ml (6 glasses/ponies or 3 schooners or 2 pints) 1500ml (5 pots/middies or 4 stubbies/cans) More than 1500ml 100 200 300 375 400 600 750 800 900 1000 1125 1200 1500 2000 In the year before last, how much of the beer you drank was light (low alcohol) beer? “Light” None or almost none Less than half About half More than half All or almost all 0 0.25 0.5 0.75 1 On the days you drank wine in the year before last, how much did you usually drink in a single day? “VolW” Less than 150ml (less than one glass) 150ml (1 glass) 300ml (2 glasses) 100 150 300