| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1578 |
90.6%
|
| 2 | I have already stopped smoking cigarettes | 55 |
3.2%
|
| 3 | Yes | 74 |
4.2%
|
| 4 | No | 35 |
2%
|
| Sysmiss | 22 |