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Table 1 Frequency distributions of selected variables in lead-exposed individuals and unexposed controls

From: A new model of the mechanism underlying lead poisoning: SNP in miRNA target region influence the AGT expression level

Variables

BLL1a (n = 190)

BLL2b (n = 114)

P c

Samples

%

Samples

%

Age (y)

    

0.103

 ≤ 39

76

40.0

35

30.7

 > 39

114

60.0

79

69.3

Sex

    

0.062

 Male

119

62.6

59

51.7

 Female

71

37.4

55

48.3

Smoking status

    

0.126

 Smoker

65

34.2

49

43.0

 Non-smoker

125

65.8

65

57.0

Drinking status

    

0.411

 Drinker

152

79.5

86

75.4

 Non-drinker

39

20.5

28

24.6

BLL (μg/L)

59.80 ± 42.40

548.53 ± 109.82

< 0.001

  1. a Blood lead level (BLL) < 200 μg/L
  2. b Blood lead level (BLL) ≥ 400 μg/L
  3. c Two-sided χ2 test
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Hereditas

ISSN: 1601-5223

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