| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 8731 |
72.7%
|
| 2 | I do not smoke now | 979 |
8.2%
|
| 3 | Yes | 1727 |
14.4%
|
| 4 | No | 567 |
4.7%
|
| Sysmiss | 82 |