| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1838 |
91.6%
|
| 2 | Did not smoke cigarettes | 65 |
3.2%
|
| 3 | Yes | 66 |
3.3%
|
| 4 | No | 37 |
1.8%
|
| Sysmiss | 205 |