| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2766 |
52.7%
|
| 2 | I have already stopped smoking cigarettes | 1096 |
20.9%
|
| 3 | Yes | 1279 |
24.4%
|
| 4 | No | 110 |
2.1%
|
| Sysmiss | 19 |