Table 4.
Univariable and multivariable logistic regression analysis determining the association of variables with test positivity for SARS-CoV-2 (n = 9515).
| explanatory variable | SARS-CoV-2 positivity n/n (%) | unadjusted |
adjusted |
||
|---|---|---|---|---|---|
| OR (95% CI) | p-value | OR (95% CI) | p-value | ||
| age (in years) | |||||
| ≤5 | 153/2848 (5.4) | 1.00 | 1.0 | ||
| 6–19 | 1077/17 379 (6.2) | 1.16 (0.98–1.38) | 0.088 | 1.17 (0.99–1.40) | 0.068 |
| 20–59 | 7452/96 947 (7.7) | 1.47 (1.24–1.73) | <0.001 | 1.46 (1.24–1.73) | <0.001 |
| ≥60 | 833/8426 (9.9) | 1.93 (1.62–2.30) | <0.001 | 1.91 (1.60–2.28) | <0.001 |
| sex | |||||
| female | 3083/42 779 (7.2) | 1.00 | 1.0 | ||
| male | 6432/82 815 (7.7) | 1.08 (1.04–1.13) | <0.001 | 1.08 (1.03–1.13) | <0.001 |
| international travel history | |||||
| no | 9461/125 207 (7.6) | 1.00 | 1.0 | ||
| yes | 54/393 (13.7) | 1.95 (1.46–2.60) | <0.001 | 1.75 (1.31–2.34) | <0.001 |
| institutional quarantine | |||||
| no | 7777/102 624 (7.6) | 1.00 | 1.0 | ||
| yes | 1738/22 976 (7.6) | 1.00 (0.94–1.05) | 0.943 | 1.03 (0.98–1.09) | 0.276 |
| state | |||||
| Uttar Pradesh | 7513/104 744 (7.2) | 1.0 | 1.0 | ||
| Delhi | 1578/17 345 (9.1) | 1.29 (1.22–1.37) | <0.001 | 1.19 (1.13–1.27) | <0.001 |
| Madhya Pradesh | 418/3221 (13.0) | 1.93 (1.74–2.14) | <0.001 | 1.55 (1.38–1.73) | <0.001 |
| Ladakh | 6/290 (2.1) | 0.27 (0.12–0.61) | 0.002 | 0.28 (0.12–0.63) | 0.002 |
| co-morbidity | |||||
| no | 9485/125 276 (7.6) | 1.0 | 1.0 | ||
| yes | 30/324 (9.3) | 1.24 (0.85–1.81) | 0.252 | 0.71 (0.48–1.04) | 0.082 |
| clinical symptoms | |||||
| no | 8902/121 420 (7.3) | 1.0 | 1.0 | ||
| yes | 613/4180 (14.4) | 2.17 (1.99–2.37) | <0.001 | 1.83 (1.66–2.02) | <0.001 |