| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1025 |
58.1%
|
| 2 | 7 years old or younger | 82 |
4.6%
|
| 3 | 8 or 9 years old | 45 |
2.6%
|
| 4 | 10 or 11 years old | 67 |
3.8%
|
| 5 | 12 or 13 years old | 186 |
10.5%
|
| 6 | 14 or 15 years old | 316 |
17.9%
|
| 7 | 16 years old or older | 43 |
2.4%
|
| Sysmiss | 32 |