| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3834 |
66.4%
|
| 2 | 7 years old or younger | 251 |
4.4%
|
| 3 | 8 or 9 years old | 193 |
3.3%
|
| 4 | 10 or 11 years old | 309 |
5.4%
|
| 5 | 12 or 13 years old | 554 |
9.6%
|
| 6 | 14 or 15 years old | 565 |
9.8%
|
| 7 | 16 years old or older | 64 |
1.1%
|
| Sysmiss | 543 |