| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1282 |
49.5%
|
| 2 | I have already stopped smoking cigarettes | 480 |
18.5%
|
| 3 | Yes | 607 |
23.4%
|
| 4 | No | 223 |
8.6%
|
| Sysmiss | 78 |