| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1038 |
35.1%
|
| 2 | I no longer smoke | 368 |
12.5%
|
| 3 | No | 1122 |
38%
|
| 4 | Yes | 426 |
14.4%
|
| Sysmiss | 9 |