Table 3.
Multivariate analysis of factors affecting the occurrence of acute hemorrhagic conjunctivitis (case, %).
| Index | β | SE | Wald χ2 | OR | 95% CI | P |
|---|---|---|---|---|---|---|
| Age | 0.538 | 0.321 | 2.809 | 1.713 | 0.913~3.213 | 0.094 |
| Gender | 0.759 | 0.417 | 3.313 | 2.136 | 0.943~4.837 | 0.069 |
| Working place | 0.474 | 0.185 | 6.565 | 1.606 | 1.118~2.309 | 0.011 |
| Use of potable water equipment | 0.505 | 0.231 | 4.779 | 1.657 | 1.054~2.606 | 0.029 |
| Contact history of patients with acute conjunctivitis | 0.916 | 0.352 | 6.772 | 2.499 | 1.254~4.982 | 0.010 |
| History of chemical substances entering the eyes | 0.421 | 0.264 | 2.543 | 1.523 | 0.908~2.556 | 0.112 |
| Combined with immune system diseases | 0.639 | 0.388 | 2.712 | 1.895 | 0.886~4.053 | 0.100 |
| Public toilet utilization rate ≥ 1 times/d | 0.642 | 0.307 | 4.373 | 1.900 | 1.041~3.468 | 0.037 |
| Washing hand before eating and after toileting | -0.531 | 0.175 | 9.207 | 0.588 | 0.417~0.829 | 0.003 |
Assignment: age (≤40 years old = 1, >40 years old = 0); gender (male = 1, female = 0); working place (outdoor = 1, indoor = 0); use of portable water equipment (yes = 1, no = 0); exposure history of patients with acute conjunctivitis (yes = 1, no = 0); chemical substances into the eye history (yes = 1, no = 0); combined immune system disease (yes = 1, no = 0); public toilet utilization rate ≥ 1 times/d (≥1 times/d = 1, <1 times/d = 0); and washing hands before eating and after toileting (yes = 1, no = 0).