On how many days did you smoke cigarettes during the last month?
Categories
Value
Category
5
9
10
10 or more days
30
Everyday/Almost every day
99
Missing
Sysmiss
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
Interviewer instructions
If less than 10 days, record the number of days.
If 10 days or more but less than a month, circle ‘10’.
If “everyday” or “almost every day”, circle ‘30’.