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Table 1 Participants in the sero-survey

From: Duration of SARS-CoV-2 sero-positivity in a large longitudinal sero-surveillance cohort: the COVID-19 Community Research Partnership

 

Serology cohort

Seropositive sub-cohort

 

(n = 11,468)

(n = 1172)

Total number of tests

30,620

3856*

 

n

%

Tests/person (mean)

n

%

Tests/person (mean)

Age (years)

      

1. < 30

1003

8.7%

2.4

99

8.5%

3.0

2. 30–39

2357

20.6%

2.8

258

22.0%

3.3

3. 40–49

2420

21.1%

2.8

244

20.8%

3.4

4. 50–59

2486

21.7%

2.7

258

22.0%

3.4

5. 60–69

2079

18.1%

2.6

210

17.9%

3.3

6. >  = 70

1123

9.8%

2.5

103

8.8%

3.0

Sex

      

F

7085

61.8%

2.7

719

61.4%

3.3

M

4383

38.2%

2.7

453

38.7%

3.3

Race/ethnicity

      

Black or African American

622

5.4%

2.1

71

6.1%

2.2

Hispanic or Latino

351

3.1%

2.2

42

3.6%

2.4

Other

554

4.8%

2.4

55

4.7%

2.9

White (not Hispanic/Latino)

9941

86.7%

2.7

1004

85.7%

3.4

Healthcare worker

      

N

6949

60.6%

2.4

629

53.7%

3.1

Y

4519

39.4%

3.1

543

46.3%

3.5

Healthcare system

      

Atrium Health

2589

22.6%

2.5

298

25.4%

2.9

Wake Forest Baptist Health

8879

77.4%

2.7

874

74.6%

3.4

  1. *Including first positive and all subsequent tests