| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 786 |
48.3%
|
| 2 | 7 years old or younger | 48 |
3%
|
| 3 | 8 or 9 years old | 63 |
3.9%
|
| 4 | 10 or 11 years old | 216 |
13.3%
|
| 5 | 12 or 13 years old | 335 |
20.6%
|
| 6 | 14 or 15 years old | 163 |
10%
|
| 7 | 16 years old or older | 16 |
1%
|
| Sysmiss | 110 |