Table 5.

Multiple logistic regression of risk factors of PTSD symptoms.

Variable	Alla			High-risk areab			Low-risk areac
PTSD	OR	(95%CI)	p	OR	(95%CI)	p	OR	(95%CI)	p
Age			NS			NS			NS
≤ 30
31–40
>40			ref			ref			ref
Occupation						NS
Medical HCWs	0.285	(0.129, 0.625)	0.002**				0.239	(0.098, 0.581)	0.002**
Non-medical HCWs			ref			ref			ref
Years of working			NS			NS			NS
≤ 10
11–20
>20			ref			ref			ref
Child status			NS			NS			NS
No child
Have children			ref			ref			ref
Sleep quality
Poor sleep quality	5.695	(2.890. 11.220)	<0.001***	3.968	(1.262, 12.478)	0.018*	7.078	(3.004, 16.673)	<0.001***
Normal sleep quality			ref			ref			ref
Marital status						NS			NS
Married	2.453	(1.133, 5.310)	0.023*
Other			ref			ref			ref
Constant	–2.493			1.423			–1.719
Nagelkerke R square	0.186			0.133			0.250

PTSD, Post-traumatic stress disorder; NS, Not selected for adjusted logistic regression model; Ref, reference.

Dependent variable:

^aPTSD syndrome for all HCWs,

^bPTSD syndrome for HCWs from high-risk area,

^cPTSD syndrome for HCWs from low-risk area.

Predictive variables tested by Forward: conditional method: Age, Occupation, Years of working, Marital status, Child Status, Sleep quality.

^*p < 0.05,

^**p < 0.01,

^***p < 0.001.