| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 843 |
76.9%
|
| 2 | Did not smoke cigarettes | 91 |
8.3%
|
| 3 | Yes | 105 |
9.6%
|
| 4 | No | 57 |
5.2%
|
| Sysmiss | 22 |