Table 3 Difference test of diseases in major human systems before and after matching between different exposure Groups.

From: Health status among greenhouse workers exposed to different levels of pesticides: A genetic matching analysis

  

Before matching

After matching

Low exposure

High exposure

χ2

P

Low exposure

High exposure

χ2

P

Cardiovascular system

   

3.572

0.059

  

6.813

0.009

 

Yes

925

361

  

378

361

  
 

No

51

31

  

14

31

  

Skeletal muscle system

   

3.572

0.059

  

6.116

0.013

 

Yes

846

331

  

354

331

  
 

No

130

61

  

38

61

  

Digestive system

   

8.079

0.004

  

7.354

0.007

 

Yes

829

308

  

337

308

  
 

No

147

84

  

55

84

  

Respiratory system

   

0.199

0.656

  

1.39

0.238

 

Yes

927

370

  

377

370

  
 

No

49

22

  

15

22

  

Immune and endocrine system

   

0.157

0.692

  

0.065

0.799

 

Yes

895

362

  

361

362

  
 

No

81

30

  

32

30

  
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