| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 800 |
69%
|
| 2 | Did not smoke cigarettes | 174 |
15%
|
| 3 | Yes | 97 |
8.4%
|
| 4 | No | 89 |
7.7%
|
| Sysmiss | 139 |