Table 2 Multivariate regression model evaluating epidemiologic risk factors for positive serology or PCR (composite)

Age^a (years)

 < 35

1.00

 35 to < 50

1.53 (0.88–2.69)

 50 to  < 60

1.68 (0.82–3.45)

 > 60

1.42 (0.45–4.44)

Male

1.79 (1.04–3.94)

HCP role^a

 Registered nurse

1.29 (0.57–2.95)

 Nurse aide

1.02 (0.20–5.74)

 Physical/occupational therapist

1.05 (0.12–9.36)

 Respiratory therapist

0.47 (0.20–1.13)

 Physician

0.32 (0.07–1.43)

 Environmental services

0.19 (0.02–1.69)

 Other-direct patient care

0.95 (0.41–2.19)

 Not direct Pt care

1.29 (0.57–2.95)

Comorbidities (Any)

1.01 (0.56–1.79)

COVID patient care by EHR^b

1.10 (0.64–1.88)

Latino ethnicity^c

2.1 (1.12–3.96)

% Living in zipcode where < 58% (median) live in owner-occupied home

1.63 (1.00–2.64)

Intensive care unit

0.75 (0.41–1.37)

HCP COVID outbreak unit

2.21 (1.28–3.81)

Designated COVID care unit

0.53 (0.30–0.94)