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Table 2 Proportion of HCWs who self-reported past SARS-CoV-2 infection by selected characteristics (N = 1517)

From: Follow-up SARS-CoV-2 serological study of a health care worker cohort following COVID-19 booster vaccination

Characteristic

Self-reported past SARS-CoV-2 infection

n

% (95% CI)

Age groups in years

  

 16–29 (N = 267)

51

19.1 (14.4–23.8)

 30–39 (N = 425)

61

14.4 (11.0-17.7)

 40–49 (N = 360)

51

14.2 (10.6–17.8)

 50–59 (N = 338)

40

11.8 (8.4–15.3)

 60+ (N = 99)

15

15.2 (8.1–22.2)

 Unknown (N = 28)

7

25.0 (9.0–41.0)

Gender

  

 Female (N = 1112)

164

14.7 (12.7–16.8)

 Male (N = 397)

59

14.9 (11.4–18.4)

 Non-Binary (N = 4)

1

25.0 (-17.4-67.4)

 Unknown (N = 4)

1

25.0 (-17.4-67.4)

Type of profession

  

 Nurse (N = 467)

88

18.8 (15.3–22.4)

 Physician (N = 262)

43

16.4 (11.9–20.9)

 Other allied health professionals (N = 402)

44

10.9 (7.9–14.0)

 Administration/other facility management (N = 364)

46

12.6 (9.2–16.1)

 Unknown (N = 22)

4

18.2 (2.1–34.3)

  1. Abbreviations: HCW: Health Care Worker, n: number of Participants, CI: Confidence Interval