| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 7391 |
75.3%
|
| 2 | I have already stopped smoking cigarettes | 771 |
7.9%
|
| 3 | Yes | 1135 |
11.6%
|
| 4 | No | 513 |
5.2%
|
| Sysmiss | 180 |