Table 6.

Regression coefficients in multiple linear regression

Variable	Unstandardized coefficient		Standardized coefficient	T	P	Collinearity
	B	S.E.	Beta			Tolerance	VIF
(Constant)	− 4.999	3.956		− 1.264	0.224
X1:	0.106	0.054	0.446	1.963	0.067	0.522	1.914
X2:	4.538	1.565	0.727	2.899	0.010*	0.428	2.336
X3:	− 3.474	1.430	− 0.580	− 2.430	0.027*	0.474	2.110
X4:	− 2.665	1.311	− 0.436	− 2.033	0.059	0.586	1.707
X5:	1.925	1.442	0.309	1.335	0.201	0.504	1.983
X6:	− 1.510	1.409	− 0.242	− 1.072	0.300	0.529	1.892
X7:	7.864	2.291	1.051	3.433	0.003**	0.288	3.474
X8:	9.771	2.781	0.885	3.514	0.003**	0.425	2.355

*P < 0.5, **P < 0.01