| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3842 |
76.2%
|
| 2 | Did not smoke cigarettes | 303 |
6%
|
| 3 | Yes | 724 |
14.4%
|
| 4 | No | 174 |
3.5%
|
| Sysmiss | 614 |