| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 581 |
39.8%
|
| 2 | 7 years old or younger | 97 |
6.7%
|
| 3 | 8 or 9 years old | 106 |
7.3%
|
| 4 | 10 or 11 years old | 200 |
13.7%
|
| 5 | 12 or 13 years old | 295 |
20.2%
|
| 6 | 14 or 15 years old | 135 |
9.3%
|
| 7 | 16 years old or older | 44 |
3%
|
| Sysmiss | 26 |