| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 831 |
49.1%
|
| 2 | 7 years old or younger | 73 |
4.3%
|
| 3 | 8 or 9 years old | 97 |
5.7%
|
| 4 | 10 or 11 years old | 143 |
8.5%
|
| 5 | 12 or 13 years old | 205 |
12.1%
|
| 6 | 14 or 15 years old | 228 |
13.5%
|
| 7 | 16 years old or older | 114 |
6.7%
|
| Sysmiss | 97 |