Table 4 Factors Affecting Caregiver Burden: Multiple Regression Results

Independent Variables	Unstandardized coefficients		Standardized coefficients	t	p	Collinearity statistics
	B	S.E.	β			Tolernance	VIF
(Constant)	1.872	.144		13.036	<001
Challenging behaviors	-.367	.043	-.159	-8.608	<001	.775	1.290
Communication ability	.169	.031	.144	5.513	<001	.385	2.598
Cognitive ability	.100	.037	.075	2.737	.006	.353	2.830
IADL	.201	.023	.216	8.640	<001	.423	2.366
Gender	-.010	.035	-.005	-.286	.775	.951	1.051
Age	-.002	.001	-.025	-1.393	.164	.806	1.241
Household income	.030	.000	.006	.339	.735	.992	1.008
Caregiver gender	-.054	.039	-.023	-1.399	.162	.944	1.060
F (8, 2919) = 81.506***; adj. R2 =.228; Durbin-Watson=2.030

p <001.