Table 1 Unadjusted SARS-CoV-2 seroprevalence by social, demographic and survey characteristics among 2979 adults in Orange County, CA, July 10th to August 16th, 2020.
From: Estimated seroprevalence of SARS-CoV-2 antibodies among adults in Orange County, California
Characteristic | Participants | Seroprevalence | ||
|---|---|---|---|---|
N | (%) | Cases/total | (%) | |
Overall | 2979 | (100) | 351/2979 | (11.8) |
Age | ||||
18–34 years | 673 | (22.6) | 83/673 | (12.3) |
35–54 years | 1362 | (45.7) | 168/1362 | (12.3) |
≥ 55 years | 944 | (31.7) | 100/944 | (10.6) |
Gender | ||||
Female | 1680 | (56.4) | 223/1680 | (13.3) |
Male | 1296 | (44.6) | 128/1296 | (9.9) |
Race/ethnicity | ||||
Hispanic (including multi-race) | 1108 | (37.2) | 172/1108 | (15.5) |
Asian (non-Hispanic, non-African American) | 469 | (15.7) | 50/469 | (10.7) |
Other non-Hispanic (including white and African American) | 1402 | (47.1) | 129/1402 | (9.2) |
Household income per year | ||||
< $50,000 | 655 | (22.0) | 98/655 | (15.0) |
$50,000–$99,999 | 722 | (24.2) | 96/722 | (13.3) |
≥ $100,000 | 1090 | (36.6) | 87/1090 | (8.0) |
Prefer not to answer | 512 | (17.2) | 70/512 | (13.7) |
Had contact with anyone suspected or confirmed of COVID-19? | ||||
Yes | 579 | (19.4) | 120/579 | (20.7) |
No | 1850 | (62.1) | 191/1850 | (10.3) |
Don’t know | 546 | (18.3) | 40/546 | (7.3) |
Had any SARS-CoV-2 symptoms in last 2 months? | ||||
Yes | 1038 | (34.8) | 166/1038 | (16.0) |
No | 1941 | (65.2) | 185/1941 | (9.5) |
