| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 774 |
58.6%
|
| 2 | Did not smoke cigarettes | 178 |
13.5%
|
| 3 | Yes | 241 |
18.3%
|
| 4 | No | 127 |
9.6%
|
| Sysmiss | 36 |