| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2171 |
68.8%
|
| 2 | 7 years old or younger | 56 |
1.8%
|
| 3 | 8 or 9 years old | 48 |
1.5%
|
| 4 | 10 or 11 years old | 60 |
1.9%
|
| 5 | 12 or 13 years old | 196 |
6.2%
|
| 6 | 14 or 15 years old | 291 |
9.2%
|
| 7 | 16 years old or older | 332 |
10.5%
|
| Sysmiss | 368 |