| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3499 |
71.6%
|
| 2 | I have already stopped smoking cigarettes | 640 |
13.1%
|
| 3 | Yes | 643 |
13.2%
|
| 4 | No | 106 |
2.2%
|
| Sysmiss | 142 |