| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3722 |
79.1%
|
| 2 | I have already stopped smoking cigarettes | 408 |
8.7%
|
| 3 | Yes | 356 |
7.6%
|
| 4 | No | 221 |
4.7%
|
| Sysmiss | 89 |