| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 961 |
55.8%
|
| 2 | no | 115 |
6.7%
|
| 3 | I don't know | 64 |
3.7%
|
| 4 | i do not smoke cigarettes | 583 |
33.8%
|
| Sysmiss | 49 |