| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1441 |
58.2%
|
| 2 | 7 years old or younger | 49 |
2%
|
| 3 | 8 or 9 years old | 87 |
3.5%
|
| 4 | 10 or 11 years old | 188 |
7.6%
|
| 5 | 12 or 13 years old | 324 |
13.1%
|
| 6 | 14 or 15 years old | 305 |
12.3%
|
| 7 | 16 years old or older | 80 |
3.2%
|
| Sysmiss | 66 |