| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1861 |
89.7%
|
| 2 | Did not smoke cigarettes | 60 |
2.9%
|
| 3 | Yes | 108 |
5.2%
|
| 4 | No | 45 |
2.2%
|
| Sysmiss | 113 |