Table 2.

Mediation analysis.

Regression equation		Overall fitting index			Regression coefficient
Outcome variable	Predictive variable	R	R 2	F(df)	β	t
Anxiety		0.48	0.23	85.70(1)***
	Chronic stress				0.48	9.26***
Depression		0.81	0.66	279.84(2)***
	Chronic stress				0.11	2.76**
	Anxiety				0.75	19.29***
Fatigue		0.25	0.06	18.89(1)***
	Chronic stress				0.25	4.35***
Fatigue		0.46	0.21	25.13(3)***
	Chronic stress				0.03	0.48
	Anxiety				0.31	3.41***
	Depression				0.15	1.68

All variables in the model were entered into the regression equation after standardization. ^** p < 0.01; ^*** p < 0.001.