Table 7. Regression analysis result (commercial area)

Model	Non-standardized coefficients		Standardized coefficients	t	Significance probability
	B	Standard error	Beta (β)
Constant	3.253	0.43		76.092	0.000
Design	0.293	0.43	0.360	6.822	0.000
Convenience	0.274	0.43	0.336	6.378	0.000
Roadside trees and rest areas	0.246	0.43	0.302	5.728	0.000
Safety	0.211	0.43	0.259	4.916	0.000
Safety protective facilities	0.204	0.43	0.251	4.757	0.000
Transportation and information facilities	0.193	0.43	0.237	4.496	0.000
Continuity	0.134	0.43	0.165	3.128	0.000
Basic state of road surfaces	0.120	0.43	0.147	2.792	0.000
Comfortability	0.114	0.43	0.140	2.654	0.000