| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2326 |
53.6%
|
| 2 | I have already stopped smoking cigarettes | 932 |
21.5%
|
| 3 | Yes | 1008 |
23.2%
|
| 4 | No | 77 |
1.8%
|
| Sysmiss | 18 |