TABLE 1.
Characteristics of the study population and associations with SARS-CoV-2 multiplex seropositivitya
| Characteristic | No. with data available, n (%) | Association with SARS-CoV-2 multiplex assay seropositivity |
|
|---|---|---|---|
| Univariate analysis result (95% CI) | Multivariate analysis result (95% CI) | ||
| Sex | 322 | ||
| Male | 203 (63) | Referent (1.0) | Referent (1.0) |
| Female | 119 (37.0) | 4.82 (2.86–8.11) | 0.89 (0.41–1.92) |
| Age (mean = 46 yrs, range = 19–88 yrs) | 312 | 1.00 (0.99–1.02) | 1.01 (0.98–1.03) |
| Race | 280 | ||
| African American | 46 (16.4) | 0.07 (0.03–0.16) | Invalid (0.001–999.9) |
| American Indian | 2 (0.7) | 0.34 (0.02–5.53) | 0.22 (0.01–4.10) |
| Asian | 5 (1.8) | 1.36 (0.15–12.43) | Invalid (0.001–999.9) |
| Caucasian | 209 (74.6) | Referent (1.0) | Referent (1.0) |
| Other | 18 (6.4) | 0.10 (0.03–0.31) | 0.08 (0.02–0.32) |
| Ethnicity | 213 | ||
| Hispanic/Latino | 111 (52.1) | 0.47 (0.24–0.89) | 0.85 (0.35–2.07) |
| Non-Hispanic/Latino | 102 (47.9) | Referent (1.0) | Referent (1.0) |
| COVID-19 symptoms | 298 | ||
| Symptomatic | 174 (58.4) | 2.20 (1.37–3.54) | 1.20 (0.49–2.94) |
| Asymptomatic | 124 (41.6) | Referent (1.0) | Referent (1.0) |
| Days between symptom onset and serum collection (mean = 28, median = 22, range = 6–83) | 135 | See analysis in Table 3, Table S1, Fig. S1 | |
a
95% CI, 95% confidence interval.