| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 961 |
49.2%
|
| 2 | I have already stopped smoking cigarettes | 474 |
24.2%
|
| 3 | Yes | 478 |
24.5%
|
| 4 | No | 42 |
2.1%
|
| Sysmiss | 6 |