| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3783 |
77.6%
|
| 2 | 7 years old or younger | 114 |
2.3%
|
| 3 | 8 or 9 years old | 94 |
1.9%
|
| 4 | 10 or 11 years old | 117 |
2.4%
|
| 5 | 12 or 13 years old | 355 |
7.3%
|
| 6 | 14 or 15 years old | 406 |
8.3%
|
| 7 | 16 years old or older | 4 |
0.1%
|
| Sysmiss | 268 |