| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 678 |
39.1%
|
| 2 | 7 years old or younger | 47 |
2.7%
|
| 3 | 8 or 9 years old | 83 |
4.8%
|
| 4 | 10 or 11 years old | 190 |
11%
|
| 5 | 12 or 13 years old | 378 |
21.8%
|
| 6 | 14 or 15 years old | 290 |
16.7%
|
| 7 | 16 years old or older | 68 |
3.9%
|
| Sysmiss | 89 |