| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 800 |
79.5%
|
| 2 | Did not smoke cigarettes | 42 |
4.2%
|
| 3 | Yes | 101 |
10%
|
| 4 | No | 63 |
6.3%
|
| Sysmiss | 33 |