| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1826 |
58.1%
|
| 2 | 7 years old or younger | 62 |
2%
|
| 3 | 8 or 9 years old | 83 |
2.6%
|
| 4 | 10 or 11 years old | 227 |
7.2%
|
| 5 | 12 or 13 years old | 641 |
20.4%
|
| 6 | 14 or 15 years old | 281 |
8.9%
|
| 7 | 16 years old or older | 21 |
0.7%
|
| Sysmiss | 73 |