| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 487 |
61.6%
|
| 2 | Did not smoke cigarettes | 109 |
13.8%
|
| 3 | Yes | 128 |
16.2%
|
| 4 | No | 66 |
8.4%
|
| Sysmiss | 33 |