| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 610 |
88.9%
|
| 2 | I have quit smoking | 47 |
6.9%
|
| 3 | Yes | 27 |
3.9%
|
| 4 | No | 2 |
0.3%
|
| Sysmiss | 1 |