Impact of Pregnancy on the Levels of Parabens and Bisphenol A: Data from NHANES 2005–2010

Table 1

Unweighted sample sizes by race/ethnicity, smoking status, iron storage status, pregnancy status, and pregnancy trimester. Data from the National Health and Nutrition Examination Survey 2005–2010.

	Pregnant	Nonpregnant	Total
Total	159	1058	1217
Non-Hispanic White	61	451	648
Non-Hispanic Black	20	218	325
Mexican American	55	211	304
Others	23	178	322
Nonsmoker	131	730	861
Smoker	18	274	292
Missing			64
Iron absent	50	187	237
Iron deficient	37	151	188
Iron replete	62	662	724
Missing			68
Pregnancy trimester
Trimester I	23
Trimester II	53
Trimester III	56