| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1591 |
44.5%
|
| 2 | 7 years old or younger | 166 |
4.6%
|
| 3 | 8 or 9 years old | 203 |
5.7%
|
| 4 | 10 or 11 years old | 357 |
10%
|
| 5 | 12 or 13 years old | 703 |
19.7%
|
| 6 | 14 or 15 years old | 477 |
13.4%
|
| 7 | 16 years old or older | 76 |
2.1%
|
| Sysmiss | 192 |