TABLE 2.
Relation between the presence of anti‐SARS‐CoV‐2 total antibodies, and sociodemographic characteristics and coexisting disease of healthcare workers from two referral hospitals in Yaoundé (univariate and multivariate Cox regression), August 2020 to August 2021, Cameroon.
| Characteristics | Presence of total antibodies anti‐SARS‐CoV‐2 among healthcare workers | |||||||
|---|---|---|---|---|---|---|---|---|
| cHR | 95% CI | p‐value | aHR initial | 95% CI | aHR final | 95% CI | p‐value | |
| Female | 0.87 | 0.64–1.19 | 0.39 | |||||
| Age > 30 | 0.98 | 0.73–1.33 | 0.92 | |||||
| More than one comorbidity | 0.73 | 0.48–1.10 | 0.13 | 0.82 | 0.50–1.36 | |||
| Study sites | <0.001 | <0.001 | ||||||
| Jamot Hospital Yaounde (ref.) | 1 | |||||||
| SCCCP | 2.14 | 1.48–3.10 | 2.23 | 1.42–3.52 | 2.54 | 1.69–3.82 | ||
| Infection prevention and control practices (Always as recommended/Most of the time, occasionally/rarely [ref]) | ||||||||
| Are you following recommended hand hygiene practices? | 0.92 | 0.68–1.25 | 0.59 | |||||
| Do you use an alcohol‐based hand cleaner for hand hygiene? | 1.03 | 0.76–1.39 | 0.84 | |||||
| Do you use soap and water for hand hygiene? | 0.92 | 0.68–1.25 | 0.59 | |||||
| Do you use hand sanitizer or soap and water before touching a patient? | 1.29 | 0.94–1.77 | 0.11 | 1.08 | 0.69–1.70 | |||
| Do you use hand sanitizer or soap and water before cleaning or aseptic operation? | 1.34 | 0.97–1.84 | 0.07 | 1.07 | 0.67–1.71 | |||
| Do you use an alcohol‐based hand rub or soap and water after (risky) exposure to body fluids? | 1.08 | 0.77–1.51 | 0.65 | |||||
| Do you use an alcohol‐based hand product or soap and water after touching a patient? | 1.08 | 0.76–1.54 | 0.65 | |||||
| Do you use alcohol‐based hand sanitizer or soap and water after touching a patient's environment? | 1.21 | 0.85–1.71 | 0.28 | |||||
| Do you follow standard infection prevention and control precautions when in contact with a patient? | 1.27 | 0.92–1.75 | 0.14 | 0.79 | 0.53–1.18 | |||
| Do you wear Infection Protection Equipment when indicated? | 1.85 | 1.17–2.92 | 0.009 | 1.53 | 0.83–2.82 | |||
| Occupied position | 0.1 | 0.044 | ||||||
| Medical practitioner (ref.) | 1 | 1 | 1 | |||||
| Administrative/other | 1.96 | 1.03–3.72 | 1.71 | 0.80–3.64 | 1.86 | 0.98–3.53 | ||
| Lab technician | 1.61 | 0.91–2.84 | 2.73 | 1.46–5.09 | 2.40 | 1.32–4.34 | ||
| Nurses | 1.82 | 1.07–3.12 | 1.80 | 1.03–3.14 | 1.79 | 1.04–3.07 | ||
| Nurse assistant | 2.25 | 1.13–4.49 | 2.72 | 1.32–5.59 | 2.62 | 1.31–5.25 | ||
| Surface technician/hygienist | 1.88 | 1.11–3.20 | 1.82 | 1.04–3.18 | 1.77 | 1.04–3.01 | ||
| Reception/transport | 2.00 | 1.05–3.83 | 2.30 | 1.17–4.52 | 2.31 | 1.21–4.42 | ||
Abbreviations: aHR, adjusted hazard ratio; cHR, crude Hazard ratio; CI, confidence interval; SCCCP, Specialized Center for the Care of COVID‐19 Patients, Annex 2 Yaounde Central Hospital.