| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 752 |
41.7%
|
| 2 | 7 years old or younger | 35 |
1.9%
|
| 3 | 8 or 9 years old | 99 |
5.5%
|
| 4 | 10 or 11 years old | 194 |
10.8%
|
| 5 | 12 or 13 years old | 320 |
17.7%
|
| 6 | 14 or 15 years old | 323 |
17.9%
|
| 7 | 16 years old or older | 81 |
4.5%
|
| Sysmiss | 119 |