Table 5.

Associations Between Maternal Gestational Levels of Creatinine-Basis Mean Dialkylphosphate Metabolite Urinary Concentrations and Wechsler Preschool and Primary Scale of Intelligence, Third Edition, Among Children Enrolled at Age 5 Years in a Cincinnati-Based Pregnancy Cohort (The HOME Study) Between 2003 and 2006

Organophosphate	Wechsler Preschool and Primary Scale of Intelligence, Third Edition
	Estimate (Standard Error)	P Value
Full-Scale IQ
Total DAPa	0.004 (0.002)	0.111
Total DAPb	0.001 (0.002)	0.494
Total DMa	0.004 (0.003)	0.124
Total DMb	0.002 (0.002)	0.441
Total DEa	0.031 (0.029)	0.289
Performance IQ
Total DAPa	0.003 (0.003)	0.277
Total DMa	0.003 (0.003)	0.265
Total DEa	−0.001 (0.030)	0.979
Verbal IQ
Total DAPa	0.005 (0.002)	0.034
Total DAPc	0.003 (0.002)	0.179
Total DMa	0.005 (0.002)	0.043
Total DMc	0.003 (0.002)	0.144
Total DEa	0.048 (0.029)	0.099
Total DEc	−0.027 (0.024)	0.259

Abbreviations: DAP, dialkylphosphate; DE, diethylphosphate; DM, dimethylphosphate; HOME Study, Health Outcomes and Measures of the Environment Study; IQ, intelligence quotient.

^a Unadjusted model.

^b Adjusted for household income, maternal race, child's sex, maternal intelligence quotient; and maternal education.

^c Adjusted for household income, maternal race, child sex, maternal intelligence quotient; Home inventory score, maternal age at birth, alcohol consumption during pregnancy, and parity.