| Value | Category | Cases | |
|---|---|---|---|
| 0 | Negative | 277 |
89.6%
|
| 1 | Positive | 19 |
6.1%
|
| 2 | Prefer not to say | 1 |
0.3%
|
| 9 | Don't know | 12 |
3.9%
|
| Sysmiss | 1689 |