| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1426 |
40.9%
|
| 2 | 7 years old or younger | 226 |
6.5%
|
| 3 | 8 or 9 years old | 196 |
5.6%
|
| 4 | 10 or 11 years old | 378 |
10.8%
|
| 5 | 12 or 13 years old | 823 |
23.6%
|
| 6 | 14 or 15 years old | 429 |
12.3%
|
| 7 | 16 years old or older | 6 |
0.2%
|
| Sysmiss | 103 |