| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 780 |
40.6%
|
| 2 | 7 years old or younger | 78 |
4.1%
|
| 3 | 8 or 9 years old | 125 |
6.5%
|
| 4 | 10 or 11 years old | 328 |
17.1%
|
| 5 | 12 or 13 years old | 523 |
27.2%
|
| 6 | 14 or 15 years old | 88 |
4.6%
|
| 7 | 16 years old or older | 1 |
0.1%
|
| Sysmiss | 38 |