| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1877 |
67.4%
|
| 2 | I have already stopped smoking cigarettes | 462 |
16.6%
|
| 3 | Yes | 360 |
12.9%
|
| 4 | No | 84 |
3%
|
| Sysmiss | 58 |