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Table 5 Regression coefficients (β, mean ± standard error) for associations between maternal body burdens of PBDEs and concentrations of thyroid hormones in infants at 3 weeks and 3 months of age

From: Maternal body burdens of PCDD/Fs and PBDEs are associated with maternal serum levels of thyroid hormones in early pregnancy: a cross-sectional study

Body burdena

3 weeks

  

3 months

  
 

Total T3

Free T4

TSH

Total T3

Free T4

TSH

Unadjusted model

      

tetra-pentaPBDE

0.01 ± 0.03

−0.20 ± 0.28

0.004 ± 0.04

0.02 ± 0.02

0.14 ± 0.29

0.02 ± 0.04

BDE-153

0.03 ± 0.11

−0.36 ± 0.40

0.16 ± 0.19

0.14 ± 0.10

−0.33 ± 0.41

0.28 ± 0.17

Multivariate modelb

      

tetra-pentaPBDE

0.03 ± 0.03

−0.12 ± 0.30

0.02 ± 0.05

0.03 ± 0.03

−0.04 ± 0.30

0.03 ± 0.03

BDE-153

0.11 ± 0.11

−0.48 ± 0.42

0.01 ± 0.20

0.19 ± 0.11

−0.47 ± 0.44

0.15 ± 0.18

  1. aLn-transformed mother’s milk concentrations of tetra-pentaPBDE (sum of BDE-47, BDE-99 and BDE-100) and BDE-153 (N = 104-130)
  2. bAssociations adjusted for maternal age, pre-pregnancy BMI, smoking, alcohol consumption, infant’s sex and birth weight. *p ≤ 0.05