| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1422 |
45.5%
|
| 2 | I have already stopped smoking cigarettes | 662 |
21.2%
|
| 3 | Yes | 947 |
30.3%
|
| 4 | No | 94 |
3%
|
| Sysmiss | 20 |