| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 840 |
73.9%
|
| 2 | 7 years old or younger | 74 |
6.5%
|
| 3 | 8 or 9 years old | 61 |
5.4%
|
| 4 | 10 or 11 years old | 63 |
5.5%
|
| 5 | 12 or 13 years old | 62 |
5.5%
|
| 6 | 14 or 15 years old | 32 |
2.8%
|
| 7 | 16 years old or older | 5 |
0.4%
|
| Sysmiss | 140 |