| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1386 |
69.9%
|
| 2 | 7 years old or younger | 43 |
2.2%
|
| 3 | 8 or 9 years old | 48 |
2.4%
|
| 4 | 10 or 11 years old | 114 |
5.8%
|
| 5 | 12 or 13 years old | 284 |
14.3%
|
| 6 | 14 or 15 years old | 82 |
4.1%
|
| 7 | 16 years old or older | 25 |
1.3%
|
| Sysmiss | 35 |