| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 585 |
78.4%
|
| 2 | 7 years old or younger | 38 |
5.1%
|
| 3 | 8 or 9 years old | 12 |
1.6%
|
| 4 | 10 or 11 years old | 19 |
2.5%
|
| 5 | 12 or 13 years old | 50 |
6.7%
|
| 6 | 14 or 15 years old | 27 |
3.6%
|
| 7 | 16 years old or older | 15 |
2%
|
| Sysmiss | 18 |