Table 1 Demographic statistics of seropositive sample population. N = 790.

From: COVID-19 symptom severity predicts neutralizing antibody activity in a community-based serological study

 

Total sample (n = 790)

No neutralizing activity (n = 504)

Neutralizing activity (n = 286)

Mean age (IQRa)

38.6 (28–47)

37.8 (29–49)

40.0 (27–45)

Gender

Female

435 (55.1%)

289 (57.3%)

146 (51.0%)

Race/ethnicity

Asian

186

138

48

Black, non-Latinx

67

39

28

Latinx

168

92

76

Other

20

8

12

White, non-Latinx

349

227

122

Pre-existing chronic medical conditions

Yes

182 (23.0%)

105 (20.0%)

77 (27.1%)

Smoking

Yes

52 (6.6%)

26 (5.6%)

26 (9.1%)

Positive PCR?

Yes

31 (4.9%)

6 (1.2%)

25 (8.7%)

Whether any cohabitants symptoms of COVID-19

Yes

277 (35.1%)

149 (29.5%)

128 (44.8%)

Whether any cohabitants had been diagnosed with COVID-19

Yes

91 (11.5%)

24 (4.8%)

67 (23.4%)

  1. aInter-quartile range.