| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 684 |
57.7%
|
| 2 | Did not smoke cigarettes | 153 |
12.9%
|
| 3 | Yes | 277 |
23.4%
|
| 4 | No | 72 |
6.1%
|
| Sysmiss | 24 |