In total, how many days have you used an electronic cigarette or e-cigarette in your entire life?
Categories
Value
Category
1
0 days
2
1 day
3
2 to 10 days
4
11 to 20 days
5
21 to 50 days
6
51 to 100 days
7
More than 100 days
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.
