Table 3.

Results from Multivariate Logistic Regression Analysis

Contributing Factors	OR	95% CI	P value
Participation time	7.35	3.10~17.45	<0.05
Convenience of traffic	1.78	1.26~2.52	<0.05
Case of colleague infection	32.51	10.51~100.59	<0.05
Work place for epidemic prevention	10.29	3.21~33.03	<0.05
Gender	4.31	1.40~13.24	<0.05
Professional title	2.06	1.26~3.36	<0.05

Abbreviations: OR, odds ratio; CI, confidence interval.