Table 3.

Maternal serum concentrations of ∑PBDEs (ng/g lipid) and select PFASs (ng/mL) and global executive composite scores at age 8 years by maternal characteristics, HOME Study

Maternal characteristics (GM±GSD)a	∑PBDEs		PFOA		PFOS		GEC
	n	Pearson r	n	Pearson r	n	Pearson r	n	Pearson r
Maternal IQc,e,f
(Mean±SD 105.9±15.4)	213	−0.19	229	0.01	229	0.14	209	−0.17
Maternal cotininec,e,f
(0.06±19.9 ng/mL)	224	0.29	240	−0.01	240	−0.16	220	0.21
Maternal Serum PCBsb
(44.7±1.8 ng/g lipid)	225	−0.07	217	0.03	217	0.13	197	−0.03
Maternal Blood Lead Levelsf
(0.65±1.5 μg/dL)	226	0.10	242	−0.02	242	−0.03	222	0.14
Maternal Urinary DAPc,f
(75.4±4.8 nmol/g Cr)	222	−0.19	239	−0.02	239	0.09	218	−0.15
Maternal Serum p,p’-DDTc
(2.6±1.7 ng/g lipid)	226	0.14	218	−0.02	218	−0.01	198	0.09
Maternal Serum p,p’-DDE
(75.9±1.9 ng/g lipid)	226	0.12	232	0.05	232	0.11	215	−0.06

Abbreviations: GM, geometric mean; GSM, geometric standard deviation; GEC, Global Executive Composite; SD, standard deviation.

^aMeasured at baseline

^bSum of congeners with detection frequencies >75% (congeners-28, 74, 99, 105, 118, 146, 153, 156, 170, 180, 183, 187, 194, 199, and 206)

^cp < 0.05 for: ∑PBDEs;

^dPFOA;

^ePFOS;

^fGEC