| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 614 |
46.3%
|
| 2 | 7 years old or younger | 46 |
3.5%
|
| 3 | 8 or 9 years old | 70 |
5.3%
|
| 4 | 10 or 11 years old | 147 |
11.1%
|
| 5 | 12 or 13 years old | 280 |
21.1%
|
| 6 | 14 or 15 years old | 153 |
11.5%
|
| 7 | 16 years old or older | 15 |
1.1%
|
| Sysmiss | 31 |