| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 825 |
45%
|
| 2 | Did not smoke cigarettes | 291 |
15.9%
|
| 3 | Yes | 445 |
24.3%
|
| 4 | No | 274 |
14.9%
|
| Sysmiss | 276 |