Table 1 Questions on lifestyle and health status

Physical activity

Which level of physical activity have you had during the last year?

   • Easy exercise:none, less than 1 hour/week, 1–2 hours/week, 3 hours or more/week

   • Hard exercise:none, less than 1 hour/week, 1–2 hours/week, 3 hours or more/week

Use of alcohol

   • Are you totally abstinent from alcohol? Yes/no

   • How many times a month do you usually drink alcohol? Number of times:

   • How many glasses of beer, wine or spirits do you usually drink during a two-week period? Number of glasses:

   Smoking

   • Do you smoke cigarettes daily? Yes/no

   • If you used to be a daily smoker, since when did you quit? Number of years:

   • If you are or were a daily smoker, how many cigarettes do or did you usually smoke during a day? Number of cigarettes:

   • For how many years have you been a daily smoker? Number of years:

General health

   • How is your present general state of health? Bad/not quite good/good/very good

Depressed mood

   • Have you felt down/depressed during the last two weeks? Yes/a little/considerably/very much