Correlations between Distribution of Producer Services and Urban Built Environment in Metro Station Areas: A Case of Xi’an, China

Table 4

Coefficient results of second-order partial correlation.

Second-order partial correlation		Dependent variable x
Categories		E-commerce	Finance and insurance	Scientific research and design	Logistics	Intermediary consulting	Leasing
Controlling variables	Independent variable	Group 1	Group 2	Group 3	Group 4	Group 5	Group 6
K, P	D	0.213	0.237	0.436	0.039	0.244	−0.041
P, D	K	−0.379	−0.438	−0.521	−0.372	−0.342	−0.057
D, K	P	−0.005	0.119	0.113	−0.180	0.247	0.219

Note.means being significant at the 0.01 level, means being significant at the 0.05 level, and means being significant at the 0.1 level.