| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1215 |
86.7%
|
| 2 | Did not smoke cigarettes | 97 |
6.9%
|
| 3 | Yes | 66 |
4.7%
|
| 4 | No | 23 |
1.6%
|
| Sysmiss | 80 |