Spatiotemporal Evolution and Influencing Factors of Ecological Civilization Construction in China

Table 4

Threshold regression results.

	S	E	G	C	H
c	0.328	0.245	0.301	0.374	0.334
PD	0.049	0.012	0.003	0.008	−0.001
CLR	−0.001	−0.001	−0.001	0.006	−0.010
PPI	0.049	0.155	0.138	0.006	0.009
AQ	0.027	0.145	−0.254	0.024	0.001
IST	0.051	0.057	0.308	0.090	0.114
EC	−0.062	−0.078	−0.145	−0.036	−0.011
WCQ	0.002	0.069	0.044	0.088	0.041
EL	0.029	0.033	0.003	0.008	0.030
ER	0.043	0.038	0.026	0.006	−0.086
GCS	0.002	0.002	0.004	0.002	−0.002
α_1	0.278	0.2901	−0.386	0.0632	0.212
α_2	0.232	0.356	−0.322	0.102	0.258
α_3	0.198	0.310	0.299	0.144	0.198
α_4	0.224	0.245	0.261	0.175	0.211
F value	9.960	18.110	9.460	11.250	11.74
R^2	0.328	0.245	0.301	0.374	0.334

, , and represent significant correlations at 1%, 5%, and 10% confidence levels, respectively.