| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never used tobacco | 1299 |
79.5%
|
| 2 | 7 years old or younger | 27 |
1.7%
|
| 3 | 8 or 9 years old | 34 |
2.1%
|
| 4 | 10 or 11 years old | 189 |
11.6%
|
| 5 | 12 or 13 years old | 66 |
4%
|
| 6 | 14 or 15 years old | 13 |
0.8%
|
| 7 | 16 years old or older | 6 |
0.4%
|
| Sysmiss | 3 |