| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1477 |
71.6%
|
| 2 | Did not smoke cigarettes | 139 |
6.7%
|
| 3 | Yes | 373 |
18.1%
|
| 4 | No | 74 |
3.6%
|
| Sysmiss | 264 |