| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3354 |
76.4%
|
| 2 | I have already stopped smoking cigarettes | 365 |
8.3%
|
| 3 | Yes | 451 |
10.3%
|
| 4 | No | 220 |
5%
|
| Sysmiss | 57 |