Table 4 Correlation analysis between Kashin-Beck disease and ADD_oral of ETEs

Baida Township

0.2387

1.1367

0.0810

0.6795

0.0009

0.0133

7.33%

Dalong Township

0.2440

1.3757

0.0823

0.7861

0.0008

0.0187

2.95%

Exi Township

0.2488

1.4014

0.0772

0.7102

0.0008

0.0079

20.13%

Kangsha Township

0.2451

1.8392

0.0808

0.7633

0.0008

0.0138

8.01%

Lajiu Township

0.2550

1.9838

0.0629

0.7251

0.0008

0.0118

8.88%

Mali Township

0.2605

1.2579

0.0886

0.7000

0.0010

0.0167

3.49%

Shuodu Township

0.2707

2.9703

0.0684

0.7412

0.0008

0.0067

39.40%

Xinrong Township

0.2454

2.3958

0.0760

0.7266

0.0009

0.0172

6.80%

Yuxi Township

0.2612

1.5446

0.0994

0.7987

0.0012

0.0168

3.03%

Zhongyi Township

0.2442

2.2157

0.0693

0.7227

0.0008

0.0088

26.24%

Zituo Township

0.2468

1.8823

0.0681

0.6908

0.0008

0.0083

16.78%

Spearman’s rank correlation coefficient

0.182

0.573

–0.755^**

–0.327

–0.628^*

–0.936^**

–