| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 931 |
53.9%
|
| 2 | Did not smoke cigarettes | 329 |
19.1%
|
| 3 | Yes | 327 |
18.9%
|
| 4 | No | 140 |
8.1%
|
| Sysmiss | 218 |