Table 3.
Unadjusted and Adjusted Association (PR and 95% CI) Between Potential Risk Factors and the Positive RT-PCR for SARS-CoV-2 Test
| Characteristic | Unadjusted, PR (95% CI) | Age-sex adjusted, PR (95% CI) | Fully adjusted, PR (95% CI) |
|---|---|---|---|
| Age, yearsa | 1.00 (0.97, 1.03) | — | 0.99 (0.96, 1.02) |
| Sex (female) | 0.80 (0.30, 2.12) | — | 0.85 (0.31, 2.38) |
| Cough | 2.17 (0.71, 6.55) | 2.30 (0.76, 6.96) | 1.93 (0.54, 6.80) |
| Sore throat | 5.43 (1.23, 24.0) | 4.44 (1.07, 18.3) | 6.50 (1.38, 30.6) |
| Rhinitis | 3.03 (0.89, 10.3) | 2.82 (0.93, 8.54) | 3.72 (1.10, 12.5) |
| BMI | 1.09 (0.98, 1.21) | 1.06 (0.96, 1.18) | 1.10 (0.99, 1.23) |
a
PR per year increase.
PR, prevalence ratio; RT-PCR, reverse transcription‒polymerase chain reaction.