| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2421 |
83.1%
|
| 2 | Did not smoke cigarettes | 103 |
3.5%
|
| 3 | Yes | 328 |
11.3%
|
| 4 | No | 60 |
2.1%
|
| Sysmiss | 204 |