Table 4.

Predictors factors of psychological distress in psychiatric nurses (n = 812, Shandong, China).

Variable	B	SE	β	t	P	Tolerance	VIF
(Constant)	12.152	1.171	–	10.382	<0.01	–	-
Professional title	0.768	0.259	0.084	2.964	<0.01	0.979	1.021
Positive coping style	−0.138	0.039	−0.105	−3.546	<0.01	0.911	1.098
Negative coping style	0.351	0.050	0.204	6.994	<0.01	0.932	1.073
Sleep quality (PSQIT)	0.522	0.126	0.235	4.129	<0.01	0.245	4.081
Subjective sleep quality	0.981	0.439	0.101	2.232	<0.05	0.387	2.584
Sleep disorder	1.471	0.460	0.119	3.201	<0.01	0.575	1.740
Daytime dysfunction	1.277	0.335	0.142	3.807	<0.01	0.568	1.760

R² = 0.363, Adjusted R² = 0.357, F = 65.343, P < 0.01.