| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1031 |
70.6%
|
| 2 | I did not smoke in the past years | 286 |
19.6%
|
| 3 | Yes | 97 |
6.6%
|
| 4 | No | 47 |
3.2%
|
| Sysmiss | 20 |