Table 2.
Seroprevalence estimates of SARS-CoV-2 antibodies along with the associated variables
| Characteristics | Tested (N) | Tested (%) | Positive (n) | Seroprevalence (%) | Seroprevalence (95% CI) | p-value |
|---|---|---|---|---|---|---|
| Gender | 3077 | 100.0 | 2279 | 74.1 | 72.5, 75.6 | NA |
| Females | 599 | 19.5 | 418 | 69.8 | 66.0, 73.3 | < 0.010 |
| Males | 2478 | 80.5 | 1861 | 75.1 | 73.4, 76.8 | |
| Age group (years) | ||||||
| 18–39 | 1854 | 60.3 | 1417 | 76.4 | 74.4, 78.3 | < 0.001 |
| 40–59 | 1209 | 39.3 | 853 | 70.6 | 67.9, 73.1 | |
| Official rank | ||||||
| Officers | 298 | 9.7 | 190 | 63.8 | 58.2,69.0 | < 0.001 |
| Non-officers | 2779 | 90.3 | 2089 | 75.2 | 73.5, 76.7 | |
| Medical comorbid condition/s | ||||||
| No | 2549 | 82.8 | 1911 | 75.0 | 73.3, 76.6 | < 0.005 |
| Yes | 528 | 17.2 | 368 | 69.7 | 65.6, 73.5 | |
| Any resident member had COVID-19 | ||||||
| No | 2866 | 93.1 | 2090 | 72.9 | 71.3, 74.5 | < 0.001 |
| Yes | 211 | 6.9 | 189 | 89.6 | 84.7, 93.1 | |
| COVID-19 diagnosed earlier | ||||||
| No | 2258 | 73.4 | 1497 | 66.3 | 64.3, 68.2 | < 0.001 |
| Yes | 819 | 26.6 | 782 | 95.5 | 93.8, 96.7 | |
| COVID-19 RT PCR result earlier | ||||||
| Negative | 1552 | 50.4 | 1048 | 67.5 | 65.2, 69.8 | < 0.001 |
| Positive | 643 | 20.9 | 620 | 96.4 | 94.7, 97.6 |