| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1027 |
51.2%
|
| 2 | 7 years old or younger | 60 |
3%
|
| 3 | 8 or 9 years old | 71 |
3.5%
|
| 4 | 10 or 11 years old | 181 |
9%
|
| 5 | 12 or 13 years old | 371 |
18.5%
|
| 6 | 14 or 15 years old | 212 |
10.6%
|
| 7 | 16 or 17 years old | 77 |
3.8%
|
| 8 | 18 years old or older | 8 |
0.4%
|
| Sysmiss | 42 |