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Table 4 Urine BPA Level in Relation to Pubic Hair Development

From: Urinary bisphenol A and pubertal development in Chinese school-aged girls: a cross-sectional study

Age(years)

BPA level

N

%

Adjusted PRa

Pubic hair Stage 2 or higher

 9–11

    
 

<LOD

107

14.0

1(ref)

 

LOD-median

69

23.2

1.48 (0.76, 2.88)

 

>median

65

27.7

1.17 (0.60, 2.25)

Pubic hair Stage 5

 13–18

    
 

<LOD

130

33.9

1(ref)

 

LOD-median

106

18.9

0.73 (0.44, 1.21)

 

>median

96

24.0

0.76 (0.46, 1.25)

  1. aAdjusted for age, BMI, household income, sleep quality, sports activity, unbalanced diet, and depression score