| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1682 |
41.2%
|
| 2 | I have already stopped smoking cigarettes | 951 |
23.3%
|
| 3 | Yes | 1292 |
31.6%
|
| 4 | No | 161 |
3.9%
|
| Sysmiss | 63 |