Table 5 Correlation analysis.

From: Structural characteristics and influencing factors of a spatial correlation network for tourism environmental efficiency in China

Variable

2000

Significance

2005

Significance

2010

Significance

2015

Significance

2020

Significance

E

0.2181***

0.04312

0.3466

0.02466

0.144**

0.04116

0.875***

0.044355

0.000729**

0.000921

I

0.115

0.01243

0.2822

0.04578

0.2941**

0.01202

0.89

0.033745

0.000744*

0.000734

U

− 0.1085

0.04304

0.4429***

0.02366

0.1838

0.04947

3.6875

0.030473

0.003073

0.000432

T

0.132***

0.01367

0.4739

0.01514

0.1224

0.01131

3.93***

0.029591

0.00327**

0.001006

TA

0.1843**

0.0343

0.4839**

0.046

0.2907***

0.01904

2.7375

0.0438***

0.002281

0.001125

O

0.3843

0.0426

0.1519

0.04158

0.1709

0.02948

1.347

0.020891

0.001122

0.304059

ER

0.2146*

0.01552

0.1783*

0.03674

0.3071**

0.03994

1.68**

0.037745

0.0014

0.358119

ES

− 0.3619

0.01596

0.344

0.01495

0.1718

0.01663

3.214

0.035564

0.002678

0.435545

TR

0.2123

0.02787

0.4785

0.03424

0.3072

0.02397

1.3975

0.028882

0.001165

0.168911

H

0.03

2.798

0.602**

1.613

0.38**

2.956

0.439**

0.106

0.133***

0.1379

D

− 0.1023*

0.0293

− 0.1704*

0.04701

− 0.3236**

0.04915

− 2.2375*

0.043791

− 0.00186**

0.196733

W

0.3487

0.01573

0.271

0.01024

0.3379

0.03609

3.343

0.035645

0.002786

0.167525

  1. *p < 0.1, **p < 0.05, ***p < 0.01.