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Table 4 Regression coefficients (β, mean ± standard error) for associations between maternal body burdens of PBDEs and third trimester concentrations of thyroid hormones

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 burdensa Total T3 Free T4 TSH
Unadjusted model    
tetra-pentaPBDE 0.03 ± 0.05 0.22 ± 0.11 −0.13 ± 0.09
BDE-153 −0.06 ± 0.06 0.08 ± 0.16 0.04 ± 0.12
Multivariate model b    
tetra-pentaPBDE −0.005 ± 0.04 0.19 ± 0.11 −0.06 ± 0.08
BDE-153 0.03 ± 0.06 −0.02 ± 0.16 −0.03 ± 0.13
  1. aLn-transformed mother’s milk concentrations of tetra-pentaPBDE (sum of BDE-47, BDE-99 and BDE-100) and BDE-153 (N = 166)
  2. bAssociations adjusted for maternal age, pre-pregnancy BMI, smoking during pregnancy, season of sampling and weight gain during pregnancy. *p ≤ 0.05