| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 373 |
61.7%
|
| 2 | 7 years old or younger | 16 |
2.6%
|
| 3 | 8 or 9 years old | 28 |
4.6%
|
| 4 | 10 or 11 years old | 48 |
7.9%
|
| 5 | 12 or 13 years old | 61 |
10.1%
|
| 6 | 14 or 15 years old | 47 |
7.8%
|
| 7 | 16 years old or older | 32 |
5.3%
|
| Sysmiss | 39 |