| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2211 |
50.1%
|
| 2 | I have already stopped smoking cigarettes | 876 |
19.8%
|
| 3 | Yes | 1172 |
26.5%
|
| 4 | No | 158 |
3.6%
|
| Sysmiss | 67 |