| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 535 |
50.6%
|
| 2 | Did not smoke cigarettes | 207 |
19.6%
|
| 3 | Yes | 244 |
23.1%
|
| 4 | No | 72 |
6.8%
|
| Sysmiss | 112 |