| Value | Category | Cases | |
|---|---|---|---|
| 0 | Negative | 39 |
67.2%
|
| 1 | Positive | 5 |
8.6%
|
| 6 | Refused/No disclosure | 11 |
19%
|
| 8 | Unknown | 3 |
5.2%
|
| Sysmiss | 883 |