Figure 2.
Arithmetic mean concentration (ng/g lipid) in NHANES 2003/04 (individual samples) and NHANES 2005/06 and 2007/08 (pooled samples) by survey period, race/ethnicity (MA, NHB, NHW), age group (12–19, 20–39, 40–59, ≥60 years), and sex for (A) 2,2′,4,4′-tetrabromodiphenyl ether (BDE-47), (B) 2,2′,4,4′,5,5′-hexachlorobiphenyl (PCB-153), and (C) 2,2-bis(4-chlorophenyl)-1,1-dichloroethene (p,p′-DDE). Error bars indicate 95% confidence interval (95% CI).