| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 991 |
47.8%
|
| 2 | I have already stopped smoking cigarettes | 437 |
21.1%
|
| 3 | Yes | 576 |
27.8%
|
| 4 | No | 68 |
3.3%
|
| Sysmiss | 13 |