| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 243 |
39.4%
|
| 2 | 7 years old or younger | 21 |
3.4%
|
| 3 | 8 or 9 years old | 43 |
7%
|
| 4 | 10 or 11 years old | 112 |
18.2%
|
| 5 | 12 or 13 years old | 137 |
22.2%
|
| 6 | 14 or 15 years old | 52 |
8.4%
|
| 7 | 16 years old or older | 9 |
1.5%
|
| Sysmiss | 21 |