Table 3.

Odds ratios of the presence of anti-SARS-CoV-2 antibody for study variables in multivariate logistic regression analysis Dependent variable: Positive SARS-CoV-2 antibody test Analysis of independent variables:

Factor affecting vulnerability to infection	Adjusted odds ratio	95% CI	p
Direct care	16.40	3.3–126.9	0.002**
Never used PPE	3.78	1.1–11.9	0.020*
HCQ prophylaxis	0.55	0.3–0.9	0.047*

Boldface p-value indicates statistical significance (^*p < 0.05, ^**p < 0.01).