| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 853 |
76.8%
|
| 2 | I did not smoke in the past years | 170 |
15.3%
|
| 3 | Yes | 58 |
5.2%
|
| 4 | No | 30 |
2.7%
|
| Sysmiss | 5 |