Table 2 SNP-based maternal and fetal heritability for polybrominated diphenyl ethers (PBDEs) and 2,2′,4,4′,5,5′-hexabromobiphenyl (BB-153) in maternal serum
Maternal GeneticsFetal Genetics
Compoundh2gSEP-Valueh2gSEP-Value
Persistent pesticides
 p,p′-DDE00.32NS00.36NS
 T-NONA00.35NS00.37NS
Polybrominated diphenyl ethers and biphenyls
 BB-1530.930.314.5 × 10−30.980.334.0 × 10−3
 BDE-280.530.33NS0.820.341.3 × 10−2
 BDE-470.730.311.6 × 10−20.990.311.6 × 10−3
 BDE-990.390.33NS0.660.342.3 × 10−2
 BDE-1000.930.291.7 × 10−30.990.327.2 × 10−5
 BDE-1530.790.35.4 × 10−30.990.314.7 × 10−4
 Sum PBDE0.770.318.3 × 10−30.910.335.2 × 10−3
Polychlorinated biphenyls
 PCB2800.32NS00.36NS
 PCB9900.35NS0.060.37NS
 PCB1180.070.34NS00.38NS
 PCB1530.360.32NS0.580.344.54 × 10−2
 PCB1700.390.33NS0.370.36NS
 PCB1800.150.32NS0.10.35NS
 PCB1870.420.33NS0.470.36NS
 PCB19400.34NS00.37NS
 PCB1990.380.32NS0.170.36NS
 PCB138/1580.440.31NS0.570.344.58 × 10−2
 PCB196/2030.120.33NS00.36NS
 Sum PCB00.36NS0.090.38NS
  • h2g, proportion of genetic variance on the total phenotypic variance; SE, standard error; NS, not significant.