Table 2. Pattern of self-test results, by healthcare worker testing results.a .
| Healthcare worker testing result | Self-testing result | Number (% of total) (total n = 983) |
| Positive | Positive | 186 (96.9%) |
| Negative | 5 (2.6%) | |
| Invalid | 1 (0.5%) | |
| Total | 192 (100%) | |
| Negative | Negative | 791 (99.6%) |
| Positive | 1 (0.1%) | |
| Invalid | 2 (0.3%) | |
| Total | 794 (100%) |
a
Three invalid self-tests were excluded from analysis, of which 1 was paired with a positive healthcare worker test and another 2 paired with a negative healthcare worker test. Eight result pairs with missing data were also excluded from analysis.