. Author manuscript; available in PMC: 2010 Aug 2.

Published in final edited form as: Hum Ecol Risk Assess. 2009 May 1;15(3):565–578. doi: 10.1080/10807030902892554

Table 3.

Association of self-reported use of plastic products and phthalate levels (ng/ml) in maternal urine

Parameters	Metabolites	Non User ^a	User^a	P value^b
“Microwave food using plastic container”	MBP	11.2 /4.0/5	25.4/25.8/29	0.0091
	MBzP	4.9/3.2/5	22.6/34.3/29	0.0112
	MCPP	1.1/0.7/5	2.5/2.3/29	0.0124
“Using plastic tableware”	MBzP	8.0/5.1/6	22.5/35.0/28	0.0452
“Save items using plastic container”	MBP	10.6/2.9/2	24.1/24.9/32	0.0118
	MBzP	4.2/1.8/2	20.9/33/32	0.0083
	MCPP	0.5/0.3/2	2.4/2.2/32	0.0004

All values expressed as: mean concentration/standard deviation/subject number.

Significant differences in urinary concentrations between plastic product users and non-users (p < 0.05).