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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