| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3377 |
79.4%
|
| 2 | I have already stopped smoking cigarettes | 308 |
7.2%
|
| 3 | Yes | 387 |
9.1%
|
| 4 | No | 180 |
4.2%
|
| Sysmiss | 30 |