Table 7 Difference Test of Symptom Frequency in Skeletal muscle system before and after Matching.

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

Pain and swelling of fingers or toes of unknown origin

   

1.376

0.502

  

2.089

0.352

 

Nothing

774

314

  

316

314

  
 

Light

157

56

  

62

56

  
 

Middle

44

22

  

14

22

  

Pain, swelling and weakness in the joints of hands and feet

   

3.062

0.216

  

7.472

0.024

 

Nothing

713

267

  

296

268

  
 

Light

180

86

  

77

86

  
 

Middle

83

38

  

20

38

  

Muscle soreness and pain in the whole body

   

0.121

0.941

  

1.411

0.494

 

Nothing

669

266

  

281

266

  
 

Light

218

88

  

79

88

  
 

Middle

89

38

  

32

38

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