| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 177 |
52.7%
|
| 2 | 7 years old or younger | 21 |
6.3%
|
| 3 | 8 or 9 years old | 17 |
5.1%
|
| 4 | 10 or 11 years old | 39 |
11.6%
|
| 5 | 12 or 13 years old | 35 |
10.4%
|
| 6 | 14 or 15 years old | 34 |
10.1%
|
| 7 | 16 years old or older | 13 |
3.9%
|
| Sysmiss | 3 |