| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes | 71 |
6.7%
|
| 2 | No | 147 |
13.9%
|
| 3 | Declined | 308 |
29.1%
|
| 4 | Unknown | 534 |
50.4%
|
| 5 | Data not entered | 0 |
0%
|
| 6 | Known positive | 0 |
0%
|
| Sysmiss | 1491 |