Table 1 Overall seroprevalence and seroconversion among healthcare workers
Variables | Overall seroprevalence | 3-month seroconversion | ||||
|---|---|---|---|---|---|---|
| Â | n | % | 95% CI | n | % | 95% CI |
Total | 446 | 24.0 | 20.2–28.3 | 374 | 17.1 | 13.5–21.4 |
Gender | ||||||
 Female | 324 | 25.9 | 21.3–31.1 | 268 | 18.6 | 14.3–24.0 |
 Male | 122 | 18.9 | 12.6–27.2 | 106 | 13.2 | 7.7–21.5 |
Age groups (years) | ||||||
 20–34 | 174 | 27.6 | 22.3–34.9 | 138 | 21.0 | 14.7–28.9 |
 35–49 | 201 | 22.4 | 17.1–29.2 | 172 | 15.1 | 10.3–21.6 |
 50–65 | 67 | 20.9 | 13.2–31.8 | 60 | 15.0 | 7.5–27.1 |
 > 65 | 4 | 0 | 0.0–49.0 | 4 | 0 | 0.0–49.0 |
Work place | ||||||
 High risk | 412 | 24.3 | 20.2–29.1 | 345 | 17.9 | 14.1–22.5 |
 Intensive care unit | 88 | 21.6 | 14.3–31.2 | 75 | 14.6 | 7.6–24.3 |
 Stepdown unit | 90 | 32.2 | 23.4–41.8 | 71 | 25.3 | 15.9–36.8 |
 Medical ward | 103 | 29.1 | 21.3–39.1 | 81 | 24.7 | 17.2–34.9 |
 Emergency department | 118 | 16.1 | 11.2–24.6 | 109 | 11.9 | 6.8–19.9 |
 Low risk | 34 | 20.6 | 10.1–37.2 | 29 | 6.9 | 1.2–24.2 |
Profession | ||||||
 Physician | 163 | 22.1 | 16.2–29.3 | 145 | 16.6 | 11.3–23.1 |
 Respiratory Therapist | 24 | 16.7 | 7.4–35.1 | 23 | 17.4 | 7.5–37.3 |
 Nurse | 139 | 28.8 | 22.5–37.6 | 117 | 19.7 | 13.2–28.9 |
 Technician/paramedic | 115 | 23.5 | 17.2–32.7 | 85 | 15.3 | 9.5–24.6 |
 Administrative worker | 5 | 0 | 0.0–43.5 | 4 | 0 | 0.0–49.0 |