| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 647 |
65.2%
|
| 2 | 7 years old or younger | 15 |
1.5%
|
| 3 | 8 or 9 years old | 19 |
1.9%
|
| 4 | 10 or 11 years old | 47 |
4.7%
|
| 5 | 12 or 13 years old | 123 |
12.4%
|
| 6 | 14 or 15 years old | 84 |
8.5%
|
| 7 | 16 years old or older | 58 |
5.8%
|
| Sysmiss | 13 |