Variables | Univariate analyses | Multivariate analyses | ||
---|---|---|---|---|
OR(95%CI) | p value | OR(95%CI) | p value | |
Age, 15–18 vs 11–14 | 1.936 (1.718–2.182) | < 0.001* | 1.755 (1.550–1.987) | < 0.001* |
Participating in distant learning, yes vs no | 0.530 (0.425–0.660) | < 0.001* | 0.710 (0.564–0.894) | 0.004* |
Study duration/day, ≥4 h vs < 4 h | 0.891 (0.786–1.008) | 0.067 | 0.949 (0.833–1.080) | 0.425 |
Parents as frontline workers, yes vs no | 1.103 (0.899–1.354) | 0.345 | 1.108 (0.897–1.370) | 0.341 |
Having infected acquaintances, yes vs no | 1.106 (0.804–1.523) | 0.536 | 1.028 (0.740–1.429) | 0.869 |
No. of infected patients at living province, ≥1000 vs < 1000 | 0.828 (0.705–0.971) | 0.020* | 0.881 (0.747–1.038) | 0.131 |
Concerned about COVID-19, yes vs no | 0.349 (0.182–0.670) | 0.002* | 0.414 (0.212–0.811) | 0.010* |
Sleep duration/day, < 6 h vs ≥6 h | 2.947 (2.218–3.915) | < 0.001* | 2.603 (1.946–3.483) | < 0.001* |
Physical exercise duration/day, < 30 min vs ≥30 min | 1.763 (1.569–1.982) | < 0.001* | 1.641 (1.455–1.850) | < 0.001* |
Dorm residence, yes vs no | 1.180 (0.987–1.411) | 0.070 | 1.169 (0.972–1.405) | 0.098 |