Table 2 Crude and adjusted prevalence of SARS-CoV-2 anti-S cases among 2360 participants from eight Egyptian governorates
From: A pre-vaccine exploratory survey of SARS-CoV-2 humoral immunity among Egyptian general population
Crude prevalence | Adjusted prevalence | |||
|---|---|---|---|---|
No. | % | Estimate% | 95% CI | |
Governorate | ||||
Alexandria | 295 | 41.3 | 44.3 | 38.6–50.0 |
Monufia | 259 | 40.7 | 43.6 | 37.6–49.5 |
Cairo | 92 | 42.2 | 45.2 | 35.0–55.4 |
Giza | 64 | 49.2 | 52.7 | 40.5–64.9 |
Qalyubia | 77 | 37.2 | 39.8 | 28.9–50.7 |
Dakahlia | 92 | 35.8 | 38.3 | 28.4–48.2 |
Faiyum | 67 | 67.0 | 71.9 | 62.9–80.8 |
Suez | 74 | 77.9 | 83.6 | 76.3–91.1 |
Gender | ||||
Male | 428 | 39.1 | 41.9 | 39.0–44.8 |
Female | 592 | 46.8 | 50.2 | 47.4–53.0 |
Age (years) | ||||
< 15 | 208 | 45.5 | 48.8 | 44.2–53.4 |
15–29 | 183 | 42.4 | 45.4 | 40.7–50.1 |
30–39 | 174 | 41.9 | 44.8 | 40.0–49.6 |
40–59 | 334 | 43.4 | 46.5 | 43.0–50.0 |
60+ | 121 | 42.3 | 45.2 | 39.4–50.9 |
Residence | ||||
Urban | 552 | 45.7 | 49.0 | 46.2–51.8 |
Rural | 346 | 39.5 | 42.3 | 39.0–45.6 |
Slum | 122 | 44.2 | 47.4 | 38.5–56.3 |
Educational level | ||||
Illiterate | 435 | 40.7 | 43.6 | 38.9–48.3 |
Primary | 353 | 44.8 | 48.0 | 42.8–53.2 |
Preparatory | 299 | 46.8 | 50.2 | 44.5–55.9 |
Secondary | 648 | 44.9 | 48.1 | 44.3–51.9 |
University | 625 | 40.6 | 43.5 | 39.6–47.4 |
Marital status | ||||
Single | 820 | 42.6 | 45.5 | 42.2–49.0 |
Married | 1365 | 42.5 | 45.4 | 42.9–48.1 |
Divorced/widow | 175 | 52.0 | 55.7 | 48.3–63.1 |
History of COVID-19 diagnosis# | ||||
No | 885 | 40.6 | 43.5 | 41.4–45.6 |
Yes | 135 | 74.2 | 79.6 | 73.3–85.5 |
History of PCR-confirmed COVID-19 | ||||
No | 1001 | 43.3 | 46.4 | 44.3–48.4 |
Yes | 19 | 41.3 | 44.3 | 29.9–58.7 |
Overall | ||||
Positive | 1020 | 43.2 | 46.3 | 44.2–48.3 |