| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2927 |
49.1%
|
| 2 | 7 years old or younger | 426 |
7.1%
|
| 3 | 8 or 9 years old | 431 |
7.2%
|
| 4 | 10 or 11 years old | 550 |
9.2%
|
| 5 | 12 or 13 years old | 676 |
11.3%
|
| 6 | 14 or 15 years old | 667 |
11.2%
|
| 7 | 16 years old or older | 284 |
4.8%
|
| Sysmiss | 259 |