| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked a cigarette | 4086 |
67.3%
|
| 2 | 7 years old or younger | 421 |
6.9%
|
| 3 | 8 or 9 years old | 225 |
3.7%
|
| 4 | 10 or 11 years old | 267 |
4.4%
|
| 5 | 12 or 13 years old | 435 |
7.2%
|
| 6 | 14 or 15 years old | 380 |
6.3%
|
| 7 | 16 years old or older | 256 |
4.2%
|
| Sysmiss | 161 |