Table 1.

Concentrations of PBDEs in serum (ng/g lipid) from women in the U.S. EPA MAMA Study.

PBDE	Weeks postpartuma	n	% detect	LOD (ng/g lipid)	GM (95% CI)	5th percentile	25th percentile	Median	75th percentile	95th percentile	Range
BB-153	2–7	33	70	0.3–0.5	0.8 ± 0.3	0.3	0.4	1.0	1.7	2.5	0.2–4.6
	12–16	30	67	0.3–0.7	0.9 ± 0.4	0.2	0.4	1.0	1.5	3.4	0.2–5.5
BDE-17	2–7	34	15	0.3–0.5	0.3 ± 0.1	0.3	0.3	0.3	0.4	0.8	0.2–1
	12–16	30	3	0.3–0.7	0.3 ± 0.1	0.2	0.3	0.4	0.4	0.5	0.2–1.1
BDE-28	2–7	34	91	0.3–1	1.2 ± 0.6	0.4	0.8	1.1	1.8	7.1	0.3–8.2
	12–16	30	63	0.3–1.3	1.1 ± 0.6	0.4	0.8	1.0	1.7	6.5	0.3–6.6
BDE-47	2–7	34	100	0.4–6	20.4 ± 16.3	4.8	12.2	18.6	28.7	173.0	4.5–227.0
	12–16	30	100	0.3–7.9	20.4 ± 14.8	6.7	12.1	16.8	28.2	111.0	5.4–222.0
BDE-66	2–7	34	38	0.3–0.5	0.4 ± 0.2	0.3	0.3	0.4	0.5	1.9	0.3–2.4
	12–16	30	13	0.3–0.7	0.4 ± 0.1	0.2	0.3	0.4	0.4	1.1	0.2–2.1
BDE-85	2–7	34	53	0.3–0.9	0.6 ± 0.4	0.2	0.3	0.5	0.7	4.5	0.2–5.3
	12–16	30	47	0.3–1.2	0.7 ± 0.3	0.3	0.4	0.6	0.9	2.6	0.3–5.1
BDE-99	2–7	34	97	0.3–3.2	4.7 ± 5.4	1.0	2.1	3.6	6.8	61.9	1–62.7
	12–16	30	83	0.4–4.2	4.8 ± 3.9	1.7	2.8	3.9	7.8	30.9	1.2–57.6
BDE-100	2–7	34	97	0.3–0.9	4.0 ± 3.2	0.9	2.3	3.9	5.7	29.3	0.4–39.1
	12–16	30	100	0.3–1.2	3.9 ± 2.5	1.1	2.2	4.1	4.9	28.5	0.9–28.9
BDE-153	2–7	34	97	0.3–1.4	6.2 ± 8.4	1.0	2.6	5.5	15.3	63.5	1.0–134.0
	12–16	30	100	0.3–1.9	6.0 ± 5.4	1.4	2.9	5.1	13.6	39.7	1.3–68.8
BDE-154	2–7	34	53	0.3–0.5	0.6 ± 0.4	0.2	0.3	0.4	0.7	4.2	0.2–5.2
	12–16	30	53	0.3–0.7	0.5 ± 0.3	0.3	0.4	0.5	0.6	2.6	0.2–3.7
BDE‑183	2–7	34	29	0.3–0.5	0.4 ± 0.1	0.3	0.3	0.4	0.4	0.8	0.2–0.9
	12–16	29	14	0.3–0.7	0.4 ± 0.1	0.2	0.3	0.4	0.4	0.7	0.2–1.1
ΣPBDEs	2–7	34	ND	ND	43.2 ± 30.7	13.6	24.7	38.4	63.5	327.0	10.5–369.0
	12–16	30	ND	ND	42.8 ± 23.5	15.3	26.5	41.0	57.6	172.5	11.7–341.1
Abbreviations: CI, confidence interval; GM, geometric mean; ND, not determined. aVisit 1, 2–7 weeks postpartum; visit 2, 12–16 weeks postpartum.