| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 688 |
63.6%
|
| 2 | I have already stopped smoking cigarettes | 178 |
16.5%
|
| 3 | Yes | 196 |
18.1%
|
| 4 | No | 19 |
1.8%
|
| Sysmiss | 56 |