| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2213 |
74.5%
|
| 2 | Did not smoke cigarettes | 164 |
5.5%
|
| 3 | Yes | 434 |
14.6%
|
| 4 | No | 160 |
5.4%
|
| Sysmiss | 733 |