Prevalence of severe acute respiratory syndrome coronavirus 2 spike antibodies in some healthcare settings in Egypt

Journal of the Egyptian Public Health Association

Table 1 Prevalence of anti-S positive results among 416 unvaccinated HCWs according to their occupation, Egypt, Jan-June 2021

Occupation	Crude prevalence %	Adjusted^a prevalence %	95% CI
Occupation	Crude prevalence %	Adjusted^a prevalence %	LL%	UL%
Physicians	48.6	52.1	44.1	60.1
Nurses	57.8	62.0	52.0	72.0
Technicians	48.1	51.6	38.0	65.2
Pharmacists	49.0	52.5	38.8	66.2
Personal care workers	69.2	74.2	51.3	97.1
Office staff	42.6	45.6	33.1	58.1
Overall	59.0	63.3	59.3	67.3

^aAdjustment of prevalence was done based on sensitivity and specificity of the test kit, as mentioned by the manufacturer