| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 783 |
36.7%
|
| 2 | 7 years old or younger | 117 |
5.5%
|
| 3 | 8 or 9 years old | 119 |
5.6%
|
| 4 | 10 or 11 years old | 255 |
11.9%
|
| 5 | 12 or 13 years old | 532 |
24.9%
|
| 6 | 14 or 15 years old | 310 |
14.5%
|
| 7 | 16 years old or older | 20 |
0.9%
|
| Sysmiss | 31 |