| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 932 |
69.9%
|
| 2 | I did not smoke in the past years | 237 |
17.8%
|
| 3 | Yes | 113 |
8.5%
|
| 4 | No | 51 |
3.8%
|
| Sysmiss | 5 |