. Author manuscript; available in PMC: 2021 Jul 1.

Published in final edited form as: Int J Hyg Environ Health. 2020 Jun 7;228:113527. doi: 10.1016/j.ijheh.2020.113527

Table 4.

Weighted quantile Sum (WQS) regression analysis results for maternal POP serum concentrations and child reading skills at age 8 years

Chemical	Inverse association with WQS	Positive association with WQS
WQS unit	−2.63 (−5.41, 0.15)	5.49 (2.04, 8.94)
	Average weight	Average weight
Log10 PBDEs
BDE-28	0.157	0.000
BDE-47	0.033	0.000
BDE-99	0.078	0.001
BDE-100	0.354	0.000
BDE-153	0.102	0.003
Log10 PCBs
CB-74	0.017	0.009
CB-99	0.022	0.011
CB-118	0.002	0.132
CB-138_158	0.007	0.013
CB-153	0.000	0.098
CB-180	0.006	0.214
Log10 P,P’-DDE	0.039	0.006
Log10 P,P’-DDT	0.139	0.005
Log10 PFAS
PFOS	0.000	0.121
PFOA	0.007	0.035
PFHxS	0.035	0.062
PFNA	0.000	0.290

Adjusted for maternal age, race, education, household income, marital status, depression, serum cotinine, blood lead, fish consumption, IQ, and child sex and HOME score