| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1538 |
71.7%
|
| 2 | I have already stopped smoking cigarettes | 255 |
11.9%
|
| 3 | Yes | 318 |
14.8%
|
| 4 | No | 33 |
1.5%
|
| Sysmiss | 11 |