| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1068 |
68.5%
|
| 2 | Did not smoke cigarettes | 252 |
16.2%
|
| 3 | Yes | 145 |
9.3%
|
| 4 | No | 94 |
6%
|
| Sysmiss | 108 |