| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 897 |
64.9%
|
| 2 | 7 years old or younger | 25 |
1.8%
|
| 3 | 8 or 9 years old | 36 |
2.6%
|
| 4 | 10 or 11 years old | 59 |
4.3%
|
| 5 | 12 or 13 years old | 211 |
15.3%
|
| 6 | 14 or 15 years old | 140 |
10.1%
|
| 7 | 16 years old or older | 15 |
1.1%
|
| Sysmiss | 62 |