| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 970 |
51.3%
|
| 2 | I have already stopped smoking cigarettes | 406 |
21.5%
|
| 3 | Yes | 479 |
25.3%
|
| 4 | No | 35 |
1.9%
|
| Sysmiss | 9 |