Spatiotemporal Evolution and Influencing Factors of Ecological Civilization Construction in China
Table 3
Threshold estimate and threshold confidence interval.
Explanatory variable
Threshold variable
Threshold number
F value
value
1%
5%
10%
Estimated value
Confidence interval
Q
S
Single threshold
13.50
0.000
13.341
11.850
10.426
0.281
[0.264, 0.297]
Double threshold
10.00
0.019
11.550
10.611
7.689
0.471
[0.449, 0.496]
Triple threshold
7.30
0.062
9.074
7.663
6.518
0.531
[0.496, 0.571]
E
Single threshold
8.020
0.090
9.093
9.051
7.897
0.242
[0.232, 0.445]
Double threshold
11.550
0.068
13.715
10.716
7.831
0.342
[0.251, 0.543]
Triple threshold
9.320
0.062
17.727
7.189
5.505
0.516
[0.472, 0.527]
G
Single threshold
13.920
0.060
26.270
15.987
10.286
0.271
[0.254, 0.281]
Double threshold
10.820
0.060
21.947
12.091
9.514
0.324
[0.281, 0.581]
Triple threshold
1.740
0.880
30.205
14.560
10.049
0.423
[0.397, 0.449]
C
Single threshold
10.550
0.066
21.748
11.520
9.766
0.256
[0.222, 0.278]
Double threshold
10.240
0.028
12.097
9.617
8.081
0.333
[0.310, 0.352]
Triple threshold
15.950
0.054
17.349
16.561
11.507
0.5095
[0.489, 0.547]
H
Single threshold
4.130
0.03
8.916
7.297
7.023
0.346
[0.255, 0.391]
Double threshold
2.320
0.08
17.136
11.319
8.222
0.452
[0428, 0.469]
Triple threshold
1.320
0.09
14.825
10.186
8.965
0.497
[0.484, 0.507]
Note: (1) the critical value and value are obtained by using Bootstrap repeated 500 times; (2) ,, and represent significant correlations at 1%, 5%, 10% confidence levels, respectively.
