| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 903 |
64%
|
| 2 | 7 years old or younger | 49 |
3.5%
|
| 3 | 8 or 9 years old | 53 |
3.8%
|
| 4 | 10 or 11 years old | 103 |
7.3%
|
| 5 | 12 or 13 years old | 175 |
12.4%
|
| 6 | 14 or 15 years old | 110 |
7.8%
|
| 7 | 16 years old or older | 19 |
1.3%
|
| Sysmiss | 34 |