| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1239 |
74.8%
|
| 2 | I did not smoke in the past years | 228 |
13.8%
|
| 3 | Yes | 104 |
6.3%
|
| 4 | No | 86 |
5.2%
|
| Sysmiss | 8 |