| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 657 |
62.9%
|
| 2 | I did not smoke in the past years | 245 |
23.5%
|
| 3 | Yes | 94 |
9%
|
| 4 | No | 48 |
4.6%
|
| Sysmiss | 3 |