| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 773 |
64.4%
|
| 2 | 7 years old or younger | 17 |
1.4%
|
| 3 | 8 or 9 years old | 29 |
2.4%
|
| 4 | 10 or 11 years old | 77 |
6.4%
|
| 5 | 12 or 13 years old | 157 |
13.1%
|
| 6 | 14 or 15 years old | 112 |
9.3%
|
| 7 | 16 years old or older | 35 |
2.9%
|
| Sysmiss | 34 |