| Value | Category | Cases | |
|---|---|---|---|
| -9 | (-9) Refused | 5 |
0%
|
| -8 | (-8) Don't know | 31 |
0.2%
|
| 1 | (1) Positive | 1967 |
11%
|
| 2 | (2) Negative | 15807 |
88.4%
|
| 3 | (3) Unknown/ indeterminate | 0 |
0%
|
| 4 | (4) Did not receive the result | 74 |
0.4%
|
| Sysmiss | 4378 |