| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 674 |
52.9%
|
| 2 | 7 years old or younger | 41 |
3.2%
|
| 3 | 8 or 9 years old | 62 |
4.9%
|
| 4 | 10 or 11 years old | 90 |
7.1%
|
| 5 | 12 or 13 years old | 206 |
16.2%
|
| 6 | 14 or 15 years old | 160 |
12.6%
|
| 7 | 16 years old or older | 41 |
3.2%
|
| Sysmiss | 58 |