| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2843 |
90.8%
|
| 2 | Did not smoke cigarettes | 90 |
2.9%
|
| 3 | Yes | 126 |
4%
|
| 4 | No | 71 |
2.3%
|
| Sysmiss | 322 |