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Table 1 Comparison of characteristics and dioxin levels in breast milk of mothers from regions sprayed and not sprayed with herbicide

From: A GIS study of dioxin contamination in a Vietnamese region sprayed with herbicide

 

Sprayed area

Non-sprayed area

p value

No.

Mean ± SD or no. (%)

N

Mean ± SD or N (%)

 

Age (years)

86

29.3  ±  5.7

71

26.1 ± 4.3

***a

Height (cm)

79

152.4 ± 4.6

54

154.1 ± 5.5

*a

Weight (kg)

85

43.6 ±  3.9

66

45.8 ± 4.0

**a

BMI (kg/m2)

78

18.8 ±  1.5

54

19.4 ± 1.8

n.s.a

Contact with herbicides during the war

 Yes

 

4 (4.9%)

71

0 (%)

 No

82

71 (86.6%)

71 (100%)

 Do not know

 

7 (8.5%)

0 (%)

Uses pesticides

 Yes

82

7 (8.5%)

68

31 (45.6%)

***b

Uses other chemicals

 Yes

84

2 (2.4%)

65

0 (%)

Alcohol habit

 Yes

83

83 (100°%)

69

69 (100%)

Smoke status

 Yes

83

3 (3.6%)

71

0 (%)

Uses contraceptives

 Yes

80

3 (3.8%)

65

1 (1.5%)

n.s.b

Women with cousin born with birth defect

 Yes

79

12 (15.2%)

66

7 (10.6%)

n.s.b

The number of cousins born with birth defects (people)

12

1.3 ± 0.9

7

1 ± 0

n.s.a

Present disease

 Yes

86

19 (22.1%)

70

6 (8.6%)

*b

History of reproductive failure

 Yes

86

19 (22.1%)

71

4 (5.6%)

**b

TEQ-PCDDs (pgTEQ/g fat)c

86

5.1 ± 3.2

71

2.1 ± 0.9

***a

TEQ-PCDFs (pgTEQ/g fat)c

86

6 ± 4

71

2 ± 0.8

***a

TEQ-Total (pgTEQ/g fat)c

86

11.3 ± 7

71

4.2 ± 1.6

***a

  1. aWilcoxon signed rank test. ***p < 0.001
  2. bChi-square
  3. cDioxin levels data were log-transformed
  4. * p < 0.05; **p < 0.01; ***p < 0.001, n.s., not significant