Table 2 Logistic regression analysis for association between seropositivity and exposure to SARS-CoV-2—December 2020 (N = 1223)

Age group in years

 16–29

2.0

0.4–9.4

0.3–7.4

 30–39

1.1

0.2–4.8

0.2–3.9

 40–49

2.1

0.5–9.3

0.3–7.1

 50–59

0.6

0.1–3.1

0.1–3.1

 60+

Reference

–

–

Gender

 Male

1.8

1.0–3.0

1.1–3.4

 Female

Reference

–

–

Self-reported COVID-19-like symptoms last 14 days

 Yes

3.5

2.0–6.2

2.0–6.4

 No

Reference

–

–

Type of profession

 Nurse

2.5

1.1–5.6

1.1–6.2

0.2–1.8

 Physician

2.0

0.8–4.6

0.643–4.2

0.3–2.3

 Other allied health professionals

1.3

0.5–3.3

0.449–3.2

0.3–2.2

 Administration/other facility management

Reference

–

–

–

SARS-CoV-2 occupational risk

 High

18.9

6.4–55.5

6.0–57.2

6.8–95.1

 Moderate

4.2

1.4–12.0

1.3–11.6

1.5–20.9

 Low

2.9

1.1–7.5

1.1–7.7

1.1–11.2

 Very low

Reference

–

–

–