| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 986 |
56.2%
|
| 2 | 7 years old or younger | 113 |
6.4%
|
| 3 | 8 or 9 years old | 50 |
2.9%
|
| 4 | 10 or 11 years old | 67 |
3.8%
|
| 5 | 12 or 13 years old | 139 |
7.9%
|
| 6 | 14 or 15 years old | 219 |
12.5%
|
| 7 | 16 years old or older | 180 |
10.3%
|
| Sysmiss | 36 |