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Table 3 Total urinary unadjusted and adjusted BPA concentrations (ng/mL) in Egyptian girls compared to Americana girls

From: Urinary bisphenol A concentrations in girls from rural and urban Egypt: a pilot study

BPA

N

% Above LOD

Mean

Median

Min

Max

Geom.Mean (GSEb)

Unadjusted

   All

57

79

1.34

0.70

<LOD

12.0

0.84 (0.10)

   Urban

28

68

1.24

1.00

<LOD

6.20

0.79 (0.14)

   Rural

29

90

1.44

0.60

<LOD

12.0

0.89 (0.89)

   NHANESa

47

98

2.83

2.60

<LOD

16.1

1.96 (0.23)*

Specific Gravity

Adjusted

   All

57

 

1.75

1.02

<LOD

10.8

1.00 (0.14)

   Urban

28

 

2.13

1.02

<LOD

10.8

1.14 (0.25)

   Rural

29

 

1.39

1.08

<LOD

8.64

0.89 (0.16)

  1. aGirls age 10-13 years from NHANES 2009-2010
  2. bGSE = Geometric standard error; LOD = 0.4 ng/mL
  3. * Geometric means significantly differed between NHANES and Egypt cohorts when tested using two sample t-test (p < 0.01)
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Environmental Health

ISSN: 1476-069X