Table 2.

Correlation coefficients between quartile of pre- and post-natal phthalate metabolites.^a *p-value for coefficient <0.05. Abbreviations are the same as given in table 1.

	all pre- and post-natal samples (N = 242)	pre- and post-natal samples taken within 365 days of one another (N = 84)	pre- and post-natal samples taken within 180 days of one another (N = 28)
MMP	0.17*	0.23*	0.44*
MCPP	0.17*	0.08	−0.04
MEHP	0.06	0.14	0.21
MEOHP	0.04	0.10	0.16
MEHHP	0.08	0.13	0.23
MEP	0.35*	0.31*	0.48*
MBP	0.18*	0.28*	0.10
MBzP	0.28*	0.42*	0.47*
MIBP	0.15*	0.26*	0.63*

^aPearson correlation coefficients between pre- and post-natal phthalate quartiles (unadjusted for creatinine).