Table 2.
Risk Factors Associated With Severe Acute Respiratory Syndrome Coronavirus 2 Antibodies Seropositivity in Population-Based Surveys After Omicron Peak—Yaounde, Cameroon and Conakry, Guinea, 2022: Univariable and Multivariable Binary Logistic Regression Analysis
| Characteristic | Guinea | Cameroon | ||||||
|---|---|---|---|---|---|---|---|---|
| Unadjusted OR (95% CI) | P Value | Adjusted OR (95% CI) | P Value | Unadjusted OR (95% CI) | P Value | Adjusted OR (95% CI) |
P Value | |
| Age, y | 0 | |||||||
| ≤40 | 1 | … | 1 | 1 | ||||
| >40 | 2.37 (1.66–3.38) | .000 | 2.43 (1.61–3.67) | .000 | 1.72 (1.24–2.37) | .002 | 1.55 (1.10–2.17) | .013 |
| Sex | ||||||||
| Male | 1 | 1 | 1 | 1 | ||||
| Female | 1.50 (1.24–1.82) | .000 | 1.62 (1.31–2.01) | .000 | 1.56 (1.21–2.03) | .001 | 1.68 (1.28–2.21) | .001 |
| Marital status | ||||||||
| Single | 1 | … | 1 | … | ||||
| Married/partnership | 2.24 (1.60–3.12) | .000 | … | 1.90 (1.39–2.59) | .000 | … | ||
| Divorced, separated, or widow(er) | 1.75 (.78–3.91) | 0.168 | … | 1.96 (1.09–3.53) | .026 | … | ||
| Education | ||||||||
| None | 1 | 1 | 1 | … | ||||
| Primary school | 1.18 (.87–1.61) | .283 | 1.58 (1.11–2.25) | .011 | 3.59 (2.25–5.73) | .000 | 3.46 (2.17–5.53) | .000 |
| Secondary school | 1.96 (1.29–2.97) | .002 | 2.19 (1.37–3.52) | .002 | 5.31 (3.38–8.33) | .000 | 5.10 (3.24–8.03) | .000 |
| University | 3.38 (2.06–5.57) | .000 | 3.47 (2.09–5.78) | .000 | 7.65 (4.56–12.84) | .000 | 7.95 (4.70–13.45) | .000 |
| Household size | ||||||||
| ≤6 persons | 1 | … | 1 | … | ||||
| 7-13 persons | 0.95 (.56–1.62) | .857 | … | .70 (.53–1.92) | .513 | … | ||
| >13 persons | 0.67 (.44–1.01) | .058 | … | 1.27 (.73–2.19) | .389 | … | ||
| Symptoms | ||||||||
| Asymptomatic | 1 | … | 1 | … | ||||
| Symptomatic | 0.89 (.71–1.12) | .322 | … | 1.07 (.81–1.41) | .642 | … | ||
| Vaccination | ||||||||
| Unvaccinated | 1 | … | 1 | … | ||||
| Vaccinated | 2.06 (1.54–2.75) | .000 | … | 1.36 (.81–2.30) | .203 | … | ||
| Previous COVID-19 testing | ||||||||
| Never tested | 1 | 1 | 1 | … | ||||
| Tested | 3.07 (1.63–5.80) | .001 | 1.97 (.99–3.90) | .053 | 1.62 (1.11–2.36) | .001 | 1.15 (.77–1.71) | .496 |
Abbreviations: CI, confidence interval; COVID-19, coronavirus disease; OR, odds ratio.