Table 1.

Distributions of persistent organic pollutant concentrations in serum samples collected from 2011–2013 from a subset of PROTECT participants (n=48) and NHANES women aged 18–40 years.

Percentiles
Analyte	LODa	% >LOD	Mean	Min	25th	50th	75th	95th	NHANES 50th women 18–40	NHANES 95th women 18–40	NHANES n	NHANES cycle
PFASs (μg/L)
n-PFOA	0.1	100	1.16	0.20	0.60	0.90	1.13	3.10	1.10	2.90	375	2013–2014
n-PFOS	0.1	100	1.66	0.20	0.78	1.50	2.33	3.30	2.30	9.00	375	2013–2014
PFDeA	0.1	64.6	0.17	0.07	0.07	0.10	0.20	0.60	0.20	0.70	760	2009–2010
PFHxS	0.1	95.8	0.34	0.07	0.20	0.20	0.30	0.90	0.70	3.25	760	2009–2010
PFNA	0.1	97.9	0.42	0.07	0.20	0.30	0.50	1.00	0.70	2.03	760	2009–2010
Sm-PFOS	0.1	97.9	0.61	0.07	0.30	0.55	0.93	1.20	0.60	2.00	375	2013–2014
PBDEs (ng/g lipid)
BDE153	2.3	70.8	5.55	1.27	2.08	3.87	6.57	12.8	4.90	36.6	363	2003–2004
BDE47	3.6	68.8	7.50	1.56	3.26	4.66	7.94	21.8	22.8	127	361	2003–2004
PCBs (ng/g lipid)
PCB138–158	2.3	56.3	2.84	1.34	1.84	2.33	3.31	5.96	6.67	27.5	343	2003–2004
PCB153	2.3	77.1	3.64	1.41	2.23	3.15	3.82	9.12	8.23	31.7	342	2003–2004
Pesticides (ng/g lipid)
p,p’-DDE	11.5	95.8	32.3	8.49	21.1	30.9	40.6	55.5	135	850	345	2003–2004

^amedian LOD; BDE153, PCB138–158, PCB153 range=1.4–3.3 ng/g lipid; BDE47 range=2.1–5.2 ng/g lipid; p,p’-DDE range=6.8–17 ng/g lipid.