Table 5.

Multivariable logistic regression analysis of factors associated with health care workers’ infection status

	β	SE	P-value	Adjusted odds ratio (95% CI)
Age
18-24				Ref
25-29	1.3674	0.7198	0.0575	3.93 (0.96-16.09)
30-39	1.4551	0.7116	0.0409	4.28 (1.06-17.28)
40-49	1.0429	0.7718	0.1766	2.84 (0.63-12.88)
≥50	1.4404	0.8223	0.0798	4.22 (0.84-21.16)
Gender
Male				Ref
Female	0.0344	0.3990	0.9313	1.04 (0.47-2.26)
Occupation
Physician				Ref
Nurse	0.1988	0.6199	0.0005	4.67 (1.95-11.18)
Non-clinical care	1.5414	0.4453	0.7484	1.22 (0.36-4.11)
Immunological disorder, yes	1.2736	0.8994	0.1568	3.57 (0.61-20.83)
Contact with a suspected case, yes	−0.2305	0.4054	0.5696	0.79 (0.36-1.76)
Contact with a confirmed case, yes	0.3130	0.4598	0.4961	1.37 (0.56-3.37)
Face-to-face interaction within 2 m with a confirmed case, yes	0.0773	0.4146	0.8520	1.08 (0.48-2.44)
Place of work at hospital
Delivery room	0.3123	0.6141	0.6111	1.37 (0.41-4.55)
Radiology unit	0.6251	0.8205	0.4461	1.87 (0.37-9.33)
Operation room	1.1763	0.4590	0.0104	3.24 (1.32-7.97)
Symptoms
Fever <38°C, yes	0.9320	0.4284	0.0269	2.54 (1.10-5.88)
Fever ≥38°C, yes	1.3933	0.6042	0.0211	4.03 (1.23-13.16)
Dry cough, yes	0.7798	0.3715	0.0358	2.18 (1.05-4.52)
Loss of appetite, yes	0.0016	0.8585	0.9985	1.00 (0.19-5.39)
Change/loss of taste, yes	1.1100	1.1599	0.3386	3.03 (0.31-29.47)
Change/loss of smell, yes	3.2674	1.2913	0.0114	26.24 (2.09-329.73)
Constant	−5.1850	0.8231	<0.0001	0.01

SE, standard error.