| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1450 |
79.7%
|
| 2 | 7 years old or younger | 17 |
0.9%
|
| 3 | 8 or 9 years old | 18 |
1%
|
| 4 | 10 or 11 years old | 38 |
2.1%
|
| 5 | 12 or 13 years old | 71 |
3.9%
|
| 6 | 14 or 15 years old | 176 |
9.7%
|
| 7 | 16 years old or older | 49 |
2.7%
|
| Sysmiss | 208 |