| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1234 |
43.1%
|
| 2 | 7 years old or younger | 80 |
2.8%
|
| 3 | 8 or 9 years old | 66 |
2.3%
|
| 4 | 10 or 11 years old | 136 |
4.8%
|
| 5 | 12 or 13 years old | 402 |
14%
|
| 6 | 14 or 15 years old | 686 |
24%
|
| 7 | 16 years old or older | 259 |
9%
|
| Sysmiss | 100 |