| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2690 |
69.3%
|
| 2 | I have already stopped smoking cigarettes | 509 |
13.1%
|
| 3 | Yes | 444 |
11.4%
|
| 4 | No | 237 |
6.1%
|
| Sysmiss | 110 |