| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 937 |
63.9%
|
| 2 | I did not smoke in the past years | 292 |
19.9%
|
| 3 | Yes | 183 |
12.5%
|
| 4 | No | 55 |
3.7%
|
| Sysmiss | 10 |