| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1025 |
71.9%
|
| 2 | I did not smoke in the past years | 273 |
19.1%
|
| 3 | Yes | 101 |
7.1%
|
| 4 | No | 27 |
1.9%
|
| Sysmiss | 2 |