| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 806 |
65.4%
|
| 2 | 7 years old or younger | 37 |
3%
|
| 3 | 8 or 9 years old | 29 |
2.4%
|
| 4 | 10 or 11 years old | 79 |
6.4%
|
| 5 | 12 or 13 years old | 143 |
11.6%
|
| 6 | 14 or 15 years old | 121 |
9.8%
|
| 7 | 16 years old or older | 17 |
1.4%
|
| Sysmiss | 42 |