| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1678 |
90.2%
|
| 2 | I have already stopped smoking cigarettes | 83 |
4.5%
|
| 3 | Yes | 80 |
4.3%
|
| 4 | No | 19 |
1%
|
| Sysmiss | 8 |