| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1470 |
72.3%
|
| 2 | I have already stopped smoking cigarettes | 254 |
12.5%
|
| 3 | Yes | 288 |
14.2%
|
| 4 | No | 22 |
1.1%
|
| Sysmiss | 41 |