| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1931 |
61.4%
|
| 2 | Did not smoke cigarettes | 464 |
14.8%
|
| 3 | Yes | 613 |
19.5%
|
| 4 | No | 136 |
4.3%
|
| Sysmiss | 72 |