| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 570 |
40.1%
|
| 2 | I do not smoke now | 400 |
28.1%
|
| 3 | Yes | 237 |
16.7%
|
| 4 | No | 214 |
15.1%
|
| Sysmiss | 31 |