Table 4.

Linear multiple regression of complete model and final model

		B	SE B	β	p value
Model 1	Complete model
	Constant	13.926	11.333		0.224
	Fatigue baseline	0.653	0.106	0.659	0.000
	Social companionship	0.262	0.371	0.65	0.483
	Avoidance	0.537	0.309	0.149	0.087
	Functional impairment	0.110	0.502	0.088	0.400
	BDI	−0.245	0.502	−0.053	0.627
	Self-efficacy	−0.704	0.394	−0.167	0.079
	Final model
	Constant	1.777	5.231		0.735
	Fatigue baseline	0.714	0.082	0.720	0.000
	Avoidance	0.597	0.298	0.165	0.049
Model 2	Complete model
	Constant	50.408	10.833		0.000
	Social companionship	−0.158	0.425	−0.038	0.711
	Avoidance	0.040	0.355	0.011	0.911
	Functional impairment	0.463	0.138	0.364	0.001
	BDI	1.041	0.568	0.218	0.071
	Self-efficacy	−1.062	0.402	−0.269	0.010
	Final model
	Constant	49.472	7.742		0.000
	Functional impairment	0.465	0.136	0.366	0.001
	BDI	1.102	0.535	0.230	0.043
	Self-efficacy	−1.100	0.385	−0.279	0.006