Revealing the Influence Mechanism of Urban Built Environment on Online Car-Hailing Travel considering Orientation Entropy of Street Network

Table 1

Independent variable selection of “five Ds” indicators of the built environment.

”Five Ds” indicators	Main factors selected of previous studies	Factors selected of this study	Data source
Density	People density (PD)		The sixth nationwide population census
	Thirteen POIs (RD, CS, SS, CB, SL, SZ, PF, FI, EC, LS, MH, GA, and AS)		Gaode Map
Destination accessibility	Distance to CBD (DC)		Gaode Map
Diversity	Land-use mix (LM)		Calculation of POIs data
Distance to transit	Distance to the bus station	Bus station POI (BS)	Gaode Map
Design	Road network density or intersection density	Orientation order (OO) and road network density (RD)	OpenStreetMap (OSM)