Table 4.
Association Between Antibodies to SARS-CoV-2 and Risk Factors: Multivariate Logistic Model, Kinshasa, Democratic Republic of the Congo, 2020
| Variable | Seropositivea Participants, n (%) | Univariate Odds Ratio (95% CI) | Multivariate Odds Ratio (95% CI) |
|---|---|---|---|
| Gender | |||
| Male | 59 (14.1) | 1 | 1 |
| Female | 108 (16.2) | 1.11 (.73–1.68) | 1.12 (.73–1.7) |
| Age | |||
| 0–17 years | 39(13.9) | 1 | 1 |
| 18–39 years | 53 (12.4) | .91 (.53–1.55) | .89 (.52–2.52) |
| ≥40 years | 75 (20.2) | 1.54 (.92–2.57) | 1.51 (.91–2.52) |
| Hospitalization | |||
| Yes | 14 (26.9) | 1 | 1 |
| No | 153 (14.9) | 0.59 (0.30–1.16) | 0.60 (0.31–1.17) |
Abbreviations: CI, confidence interval; SARS-CoV-2, severe acute respiratory syndrome coronavirus 2.
aPresence of antibodies to nucleocapsid and spike proteins.