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. 2013 Feb 18;10:13. doi: 10.1186/1742-4682-10-13

Table 4.

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

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