| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1523 |
64.3%
|
| 2 | I have already stopped smoking cigarettes | 326 |
13.8%
|
| 3 | Yes | 348 |
14.7%
|
| 4 | No | 170 |
7.2%
|
| Sysmiss | 44 |