| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 128 |
8.9%
|
| 2 | No | 198 |
13.7%
|
| 3 | Declined | 437 |
30.3%
|
| 4 | Unknown | 679 |
47.1%
|
| 5 | Data not entered | 0 |
0%
|
| 6 | Known positive | 0 |
0%
|
| Sysmiss | 1109 |