| Value | Category | Cases | |
|---|---|---|---|
| 1 | yes | 1134 |
55.4%
|
| 2 | no | 148 |
7.2%
|
| 3 | I don't know | 85 |
4.2%
|
| 4 | i do not smoke cigarettes | 680 |
33.2%
|
| Sysmiss | 21 |