| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4761 |
79.2%
|
| 2 | I have already stopped smoking cigarettes | 646 |
10.7%
|
| 3 | Yes | 450 |
7.5%
|
| 4 | No | 158 |
2.6%
|
| Sysmiss | 31 |