| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2140 |
63.1%
|
| 2 | I have already stopped smoking cigarettes | 512 |
15.1%
|
| 3 | Yes | 651 |
19.2%
|
| 4 | No | 89 |
2.6%
|
| Sysmiss | 33 |