Table 8 Spatial effect decomposition of SDM with spatial fixed effect by urban scale.

From: The impact of blue-green spatial landscape pattern on population distribution pattern in Chinese cities

Variables

Large cities

Medium cities

Small cities

Direct effect

Indirect effect

Direct effect

Indirect effect

Direct effect

Indirect effect

blue

-0.036***

(-6.43)

-0.020*

(-1.51)

-0.036***

(-4.11)

0.051***

(2.71)

0.015**

(2.19)

-0.002*

(-1.18)

green

-0.045*

(-1.70)

0.011*

(1.48)

-0.010*

(-1.67)

-0.008*

(-1.27)

-0.018*

(-1.76)

-0.004*

(-1.27)

bg

0.011*

(1.28)

0.005*

(1.61)

-0.004*

(-1.57)

0.033*

(1.25)

0.003*

(1.30)

-0.001*

(-1.21)

tmp

0.145***

(3.24)

-0.131*

(-1.67)

-0.044*

(-1.65)

0.031

(0.28)

0.004

(0.11)

-0.006

(-0.12)

PM

-0.021*

(-1.71)

0.125***

(4.40)

0.080***

(5.98)

0.019

(0.80)

-0.022*

(-1.52)

0.014

(0.73)

PGDP

-0.091***

(-9.42)

-0.110***

(-3.96)

-0.112***

(-10.39)

0.013

(0.46)

-0.018*

(-1.47)

0.040**

(1.96)

IndII

-0.103***

(-16.84)

-0.068***

(-3.36)

-0.122***

(-14.30)

-0.115***

(-5.35)

-0.023*

(-1.54)

0.002

(0.08)

IndIII

-0.031***

(-4.87)

0.029*

(1.36)

-0.083***

(-8.64)

-0.108***

(-3.79)

0.014**

(1.98)

-0.011

(-1.02)

library

0.018**

(1.93)

0.378***

(7.62)

0.002

(0.34)

0.011

(0.53)

0.007*

(1.44)

0.003

(0.39)

teacher

0.229***

(15.38)

-0.015

(-0.38)

0.171***

(11.43)

0.243***

(7.02)

0.049***

(3.17)

0.131***

(5.35)

doctor

0.052***

(4.18)

0.118***

(3.31)

0.064***

(6.73)

0.049**

(2.06)

0.002

(0.18)

0.034**

(2.08)

  1. ***, **, * mean significant at the levels of 0.01, 0.05, and 0.1, respectively, and the numbers in brackets are the estimated t-statistics of the coefficients.