Table 4.

Hierarchical multiple regression analysis of insomnia, depression and anxiety in frontline medical staff.

	Model	Variable	B	SE	P	ΔModel R2	P
Insomnia	1	Health status	−3.69	1.19	0.002	0.07	0.001
	2	Working risk	2.16	0.81	0.008	0.11	<0.001
Anxiety	1	Marital status	2.60	0.80	0.004	0.09	<0.001
	2	Health status	−3.61	0.87	<0.001	0.16	<0.001
	3	Gender	3.46	1.05	0.003	0.21	<0.001
	4	Working difficulty	1.35	0.51	0.008	0.24	<0.001
Depression	1	Health status	−3.90	0.79	<0.001	0.11	<0.001
	2	Education level	3.75	1.84	0.043	0.14	<0.001
	3	Gender	2.32	0.95	0.016	0.16	<0.001
	4	Working difficulty	1.11	0.45	0.014	0.19	<0.001