TABLE 3.

Regression analysis results of the mediating role of job satisfaction between perceived organizational support and work engagement.

Regression equation		Overall model fit			Regression coefficient significance
Outcome	Predictor	R	R2	F	β	LLCI	ULCI	t
JS	Gender	0.66	0.43	128.47***	0.19	0.01	0.05	2.74**
	Police classification				−0.06	−0.09	−0.03	−4.18***
	Education level				0.02	−0.07	0.11	0.38
	POS				0.60	0.54	0.66	19.53***
WE	Gender	0.69	0.48	124.31***	−0.02	−0.15	0.12	−0.23
	Police classification				−0.04	−0.07	−0.01	−2.90**
	Education level				0.11	0.02	0.20	2.47*
	POS				0.04	−0.01	0.09	0.58
	JS				0.67	0.59	0.74	17.95***

N = 744; WE, work engagement; POS, perceived organizational support; JS, job satisfaction. All the variables in the model were normalized and then substituted into the regression equation. LLCI, lower level confidence interval. ULCI, upper level confidence interval. *P < 0.05, **P < 0.01, ***P < 0.001.