| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 6417 |
78.2%
|
| 2 | I have already stopped smoking cigarettes | 590 |
7.2%
|
| 3 | Yes | 845 |
10.3%
|
| 4 | No | 351 |
4.3%
|
| Sysmiss | 92 |