| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1867 |
92.1%
|
| 2 | Did not smoke cigarettes | 64 |
3.2%
|
| 3 | Yes | 67 |
3.3%
|
| 4 | No | 30 |
1.5%
|
| Sysmiss | 331 |