Table 3.
Frequencies and prevalence of seropositive tests stratified according to health worker hospital role, department, and hospital type.
| Frequencies | Prevalence (95%CI) | Test performance–adjusted prevalence (95%CI) | |
|---|---|---|---|
| Overall | 340/2,065 | 16.5 (14.9–18.1) | 22.6 (20.2–25.1) |
| Health worker positions | |||
| Physicians | 59/365 | 16.2 (12.5–20.3) | 22.1 (16.5–28.5) |
| Nurses | 131/670 | 19.6 (16.6–22.8) | 27.3 (22.8–32.2) |
| Assistant nurses | 39/184 | 21.2 (15.5–27.8) | 29.8 (21.1–40) |
| Janitor/building | 33/349 | 9.5 (6.6–13.0) | 11.8 (7.4–17.3) |
| superintendents | |||
| Hospital | 38/207 | 18.4 (13.3–24.3) | 25.5 (17.7–34.6) |
| technicians | |||
| Administration | 40/286 | 14.0 (10.2–18.6) | 18.8 (12.9–25.8) |
| staff | |||
| Hospital department | |||
| COVID-19 | 79/303 | 26.07(21.2–31.4) | 37.34(29.9–45.5) |
| patient ward | |||
| ICU, or surgery | 31/264 | 11.74(8.1–16.3) | 15.30(9.7–22.2) |
| ward | |||
| Other wards | 133/980 | 13.57(11.5–15.9) | 18.11(14.9–21.7) |
| Hospital type | |||
| Public | 278/1,825 | 15.23(13.6–17) | 20.67(18.2–23.3) |
| Private | 62/240 | 25.83(20.4–31.9) | 36.97(28.6–46.2) |