| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 761 |
77.7%
|
| 2 | Did not smoke cigarettes | 88 |
9%
|
| 3 | Yes | 91 |
9.3%
|
| 4 | No | 39 |
4%
|
| Sysmiss | 41 |