Table 1 Seroprevalence of anti-SARS-CoV-2 RBD IgG antibodies by participant (n = 1997) characteristics and hospitals, Ethiopia, 2021
From: High seroprevalence of anti-SARS-CoV-2 antibodies among Ethiopian healthcare workers
Characteristics | N | % | Seroprevalence (%), 95% CI |
|---|---|---|---|
Gender | Â | Â | Â |
 Male | 980 | 49.3 | 39.6 (36.6–42.7) |
 Female |  | 51.7 | 42.37 (39.4–45.5) |
Age (in years) | Â | Â | Â |
 19–24 | 169 | 8.8 | 44.0 (36.7–51.7) |
 25–34 | 918 | 46.0 | 41.6 (38.4–44.8) |
 35–49 | 792 | 39.7 | 39.7 (36.4–43.0) |
 ≥ 50 | 115 | 5.8 | 41.7 (33.00–51.0) |
Morbidity | Â | Â | Â |
 Yes | 133 | 6.7 | 44.4 (36.1–52.9) |
 No | 1864 | 93.3 | 40.9 (38.7–43.3) |
COVID-19 | Â | Â | Â |
 Symptomatic | 507 | 26.0 | 39.9 (37.4–42.4) |
 Asymptomatic | 1490 | 74.0 | 45.2 (40.9–49.5) |
Contact | Â | Â | Â |
 Yes | 557 | 29.0 | 48.5 (44.3–52.6) |
 No | 1362 | 71.0 | 38.1 (35.6–40.7) |
Hospitals | Â | Â | Â |
 ALRET | 308 | 15.4 | 48.1 (40.3–53.6) |
 Hawassa | 414 | 20.7 | 44.8 (40.05–49.) |
 Gondar | 453 | 22.6 | 44.7 (40.12–49.3) |
 Asella | 484 | 24.2 | 40.7 (36.4–45.1) |
 Hiwot Fana | 338 | 17.0 | 24.6 (20.3–29.4) |
Occupation | Â | Â | Â |
 Doctor | 368 | 18.7 | 40.5 (35.6–45.6) |
 Nurse | 559 | 28.3 | 41.9 (37.7–45.8) |
 Lab Technician | 223 | 11.3 | 46.2 (39.7–52.8) |
 Administrator | 345 | 17.4 | 39.1 (34.1–44.4) |
 Others | 478 | 24.2 | 43.5 (38.7–48.4) |