Table 1.
Estimated Number of Individuals with SARS-CoV-2-Specific Antibodies Among the Non-Congregate Population in Connecticut, between March 1 and June 1, 2020, by Sociodemographic Characteristics
| Characteristics | Total Population* n |
Seroprevalence†of SARS-CoV-2 Antibodies % (± MOE at 90% CI) |
Estimated Number of Individuals with Antibodies n (90% CI) |
|---|---|---|---|
| State total | 2,837,877 | 4.0% (± 2.0) | 113,515 (56,758-170,273) |
| Sex | |||
| Men | 1,365,019 | 2.5% (± 2.4%) | 34,125 (1365-66,886) |
| Women | 1,472,858 | 5.3% (± 2.9%) | 78,061 (35,349-120,774) |
| Age group, years | |||
| 18-29 | 564,738 | 6.4% (± 7.7%) | 36,143 (NE-79,628) |
| 30-44 | 649,874 | 4.9% (± 4.6%) | 31,844 (1950-61,738) |
| 45-54 | 496,628 | 6.6% (± 4.7%) | 32,777 (9436-56,119) |
| 55-64 | 513,656 | 2.6% (± 2.4%) | 13,355 (1027-25,683) |
| ≥65 | 612,981 | 0.8% (± 1.2%) | 4904 (NE-12,260) |
| Race/ethnicity | |||
| Non-Hispanic Black | 278,112 | 6.4% (± 5.5%) | 17,799 (2503-33,095) |
| Non-Hispanic White | 1,969,487 | 2.7% (± 1.7%) | 53,176 (19,695-86,657) |
| Latino/Hispanic | 408,654 | 19.9% (± 6.7%) | 81,322 (53,942-108,702) |
| County | |||
| New Haven | 683,928 | 3.4% (± 3.2%) | 23,254 (1368-45,139) |
| New London | 215,679 | 1.7% (± 3.3%) | 3667 (NE-10,784) |
| Middlesex | 133,380 | – | – |
| Fairfield | 732,172 | 5.7% (± 5.4%) | 41,734 (2197-81,271) |
| Hartford | 706,631 | 4.0% (± 3.6) | 28,265 (2827-53,704) |
| Litchfield | 147,570 | 1.6% (± 3.2%) | 2361 (NE-7083) |
CI = confidence interval; MOE = margin of error; NE = non-estimable; SARS-CoV-2 = severe acute respiratory syndrome coronavirus 2.
⁎
Source: 2018 American Community Survey.
†
Source: Post-Infection Prevalence Study.
Source: 2018 American Community Survey. Source: Post-Infection Prevalence Study.