. Author manuscript; available in PMC: 2012 Mar 1.

Published in final edited form as: Neurotoxicology. 2010 Dec 21;32(2):261–267. doi: 10.1016/j.neuro.2010.12.009

Table 2.

Comparison of Median Maternal Biomarker Concentrations in Original Birth Cohort with those at 7 to 9 Year Follow Up.

Urine Biomarker	N	Original Cohort, μg/L (IQR)	N	Follow Up Cohort, μg/L (IQR)
BPA	404	1.3 (0.7–2.3)	134	1.2 (0.5–2.0)
ΣHMW Phthalates^a	404	120 (61–250)	137	125 (49–278)
ΣLMW Phthalates^b	404	430 (175–1,090)	137	419 (158–1,015)
MEP		380 (137-1,010)		372 (130–964)
MBP		36 (16-75)		33 (15–87)
MiBP		6.2 (2.7-12)		6.5 (2.9–15)
MMP		1.6 (1-3.8)		1.8 (0.7–3.9)

IQR = Interquartile Range;

ΣHMW Phthalates = DEHP metabolites [MECPP, mono(2-ethyl-5-carboxypentyl) phthalate; MEHHP, mono(2-ethyl-5-hydroxylhexyl) phthalate; MEOHP, mono(2-ethyl-5-oxohexyl) phthalate and MEHP, mono(2-ethylhexyl) phthalate], MBzP, monobenzyl phthalate and MCPP, mono(3-carboxypropyl) phthalate.

ΣLMW phthalates = MMP, monomethyl phthalate; MEP, monoethyl phthalate; MBP, monobutyl phthalate; and MiBP, mono-isobutyl phthalate).