| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1132 |
51.7%
|
| 2 | 7 years old or younger | 72 |
3.3%
|
| 3 | 8 or 9 years old | 126 |
5.8%
|
| 4 | 10 or 11 years old | 302 |
13.8%
|
| 5 | 12 or 13 years old | 354 |
16.2%
|
| 6 | 14 or 15 years old | 186 |
8.5%
|
| 7 | 16 years old or older | 17 |
0.8%
|
| Sysmiss | 91 |