| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 5924 |
71.4%
|
| 2 | I have already stopped smoking cigarettes | 644 |
7.8%
|
| 3 | Yes | 1394 |
16.8%
|
| 4 | No | 338 |
4.1%
|
| Sysmiss | 74 |