| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 871 |
48.3%
|
| 2 | no | 120 |
6.6%
|
| 3 | I don't know | 78 |
4.3%
|
| 4 | i do not smoke cigarettes | 736 |
40.8%
|
| Sysmiss | 89 |