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Table 4 Comparison of behavior factor scores between the two groups (n = 50, mean ± SD)

From: A clinical study of the effects of lead poisoning on the intelligence and neurobehavioral abilities of children

Behavior factors

Group

Behavior factor score

Z value

Pvalue

Social withdrawal

Lead poisoning group

8.79 ± 5.41

 

<0.05

 

Control group

6.42 ± 4.32

2.421

<0.01

Depression

Lead poisoning group

6.73 ± 4.67

  
 

Control group

3.76 ± 3.65

3.543

<0.01

Sleep problem

Lead poisoning group

3.87 ± 2.92

  
 

Control group

3.21 ± 2.68

1.177

>0.05

Body action

Lead poisoning group

5.72 ± 3.56

  
 

Control group

3.28 ± 2.59

3.919

<0.01

Aggression

Lead poisoning group

28.02 ± 11.69

  
 

Control group

20.01 ± 10.79

3.600

<0.01

Destruction

Lead poisoning group

7.43 ± 4.58

  
 

Control group

5.21 ± 3.91

2.607

<0.01

Total behavior score

Lead poisoning group

59.89 ± 26.74

  
 

Control group

41.66 ± 24.58

3.549

<0.01