TABLE 1.
Characteristics of study participants by SARS-COV-2 immunoglobulin G (IgG) antibody status.
| SARS-COV-2 IgG test status* |
|||
|---|---|---|---|
| Variable | Positive (n = 854) | Negative (n = 9586) | P |
| Age, years | 42.7 ± 12.8 | 44.2 ± 12.6 | 0.001 |
| Sex, % female | 84.0 | 80.9 | 0.03 |
| Race, % | <0.0001 | ||
| Non-Hispanic Black | 41.1 | 19.9 | |
| Non-Hispanic White | 52.0 | 72.5 | |
| Hispanic American | 2.8 | 2.9 | |
| Other | 4.1 | 4.7 | |
| Smoking status, %† | 0.001 | ||
| Current smoker | 2.0 | 6.7 | |
| Past smoker | 13.9 | 16.5 | |
| Never smoker | 84.1 | 76.7 | |
| Body mass index, kg/m2 | 31.4 ± 7.9 | 29.7 ± 7.3 | <0.0001 |
| IgG response (S/C ratio) ‡ | 5.38 ± 1.69 | 0.07 ± 0.13 | <0.0001 |
| Hypertension, % | 11.4 | 4.1 | <0.0001 |
| Type 2 diabetes, % | 2.7 | 1.2 | 0.0001 |
⁎
Abbott Architect SARS-COV-2 IgG test.
†
Analysis done only among 2082 participants with data on smoking.
‡
S/C = signal to calibrator ratio. A value of 1.4 or higher indicates a positive result.