How old were you when you first tried e-cigarettes?
Categories
Value
Category
1
I have never tried an e-cigarette
2
7 years old or younger
3
8 or 9 years old
4
10 or 11 years old
5
12 or 13 years old
6
14 or 15 years old
7
16 years old or older
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.