| Value | Category | Cases | |
|---|---|---|---|
| 1 | POS | 390 |
30.4%
|
| 2 | NEG | 885 |
69%
|
| 3 | Indeterminate | 3 |
0.2%
|
| 4 | Unwilling to disclose | 4 |
0.3%
|
| Sysmiss | 299 |