| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3369 |
73.1%
|
| 2 | I have already stopped smoking cigarettes | 518 |
11.2%
|
| 3 | Yes | 625 |
13.6%
|
| 4 | No | 96 |
2.1%
|
| Sysmiss | 74 |