| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1917 |
50.8%
|
| 2 | I have already stopped smoking cigarettes | 629 |
16.7%
|
| 3 | Yes | 1078 |
28.5%
|
| 4 | No | 153 |
4.1%
|
| Sysmiss | 22 |