| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 908 |
50.5%
|
| 2 | 7 years old or younger | 24 |
1.3%
|
| 3 | 8 or 9 years old | 50 |
2.8%
|
| 4 | 10 or 11 years old | 183 |
10.2%
|
| 5 | 12 or 13 years old | 282 |
15.7%
|
| 6 | 14 or 15 years old | 258 |
14.3%
|
| 7 | 16 years old or older | 94 |
5.2%
|
| Sysmiss | 93 |