| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 941 |
72.4%
|
| 2 | I did not smoke in the past years | 213 |
16.4%
|
| 3 | Yes | 104 |
8%
|
| 4 | No | 42 |
3.2%
|
| Sysmiss | 14 |