| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4441 |
89.1%
|
| 2 | Did not smoke cigarettes | 189 |
3.8%
|
| 3 | Yes | 301 |
6%
|
| 4 | No | 51 |
1%
|
| Sysmiss | 210 |