The Flemish guideline for alcohol consumption is no more than 10 standard glasses per week. The following questions were used to determine whether individuals exceed the guideline:
In the past 12 months, how often have you had an alcoholic drink of any kind (beer, wine, cider, breezer, cocktails, premixes, liquor, spirits, homemade alcohol…)?
Every day or almost every day/5-6 days a week/3-4 days a week/1-2 days a week/2-3 days in a month/Once a month/Less than once a month/Not in the past 12 months, as I no longer drink alcohol /Never, or only a few sips or trials, in my whole life
From Monday to Thursday, on how many of these 4 days do you usually drink alcohol?
On all 4 days/On 3 of the 4 days/On 2 of the 4 days/On 1 of the 4 days/On none of the 4 days
From Monday to Thursday, how many drinks do you have on average on such a day when you drink alcohol?
16 or more drinks a day/10-15 drinks a day/6-9 drinks a day/4-5 drinks a day/3 drinks a day/2 drinks a day/1 drink a day/I don’t drink on weekdays
From Friday to Sunday, on how many of these 3 days do you usually drink alcohol?
On all 3 days/On 2 of the 3 days/On 1 of the 3 days/On none of the 3 days
From Friday to Sunday, how many drinks do you have on average on such a day when you drink alcohol?
16 or more drinks a day/10-15 drinks a day/6-9 drinks a day/4-5 drinks a day/3 drinks a day/2 drinks a day/1 drink a day/I don’t drink on weekends