Table 1.

Arithmetic Mean Concentration (ng/g lipid) and 95% CI of Select Polybrominated Diphenyl Ethers (PBDEs) in NHANES 2003/04 (Individual Samples) and NHANES 2005/06 and 2007/08 (Pooled Samples) by Survey Period and Age Group^a

survey period	concentration (ng/g lipid) with 95% CI by age Group
	12–19 years	20–39 years	40–59 years	≥60 years
2,4,4′-tribromodiphenyl ether (PBDE28)
2003–04	1.9 ± 0.3	1.9 ± 0.4	2.1 ± 0.7	3.0 ± 0.7
2005–06	2.1 ± 0.5	1.9 ± 0.5	1.4 ± 0.4	2.7 ± 0.7
2007–08	1.5 ± 0.3	1.5 ± 0.3	1.6 ± 0.5	2.4 ± 0.5
2,2′,4,4′-tetrabromodiphenyl ether (PBDE47)
2003–04	49.4 ± 8.8	44.9 ± 17.4	42.2 ± 13.2	52.4 ± 16.3
2005–06	61.3 ± 14.0	45.1 ± 17.1	25.4 ± 8.9	61.4 ± 27.4
2007–08	35.9 ± 8.0	31.0 ± 7.4	28.1 ± 8.9	39.9 ± 10.6
2,2′,3,4,4′-pentabromodiphenyl ether (PBDE85)
2003–04	1.6 ± 0.2	1.4 ± 0.5	1.5 ± 0.5	1.5 ± 0.4
2005–06	1.5 ± 0.3	1.0 ± 0.4	0.5 ± 0.3*	1.6 ± 0.8
2007–08	0.8 ± 0.2*	0.7 ± 0.2	0.7 ± 0.3	0.9 ± 0.2*
2,2′,4,4′,5-pentabromodiphenyl ether (PBDE99)
2003–04	12.6 ± 2.3	13.3 ± 7.7	11.4 ± 3.2	12.3 ± 4.5
2005–06	15.7 ± 3.8	11.3 ± 5.7	5.5 ± 2.0*	13.6 ± 6.5
2007–08	8.5 ± 2.5	6.8 ± 2.2	6.6 ± 2.0	8.7 ± 2.7
2,2′,4,4′,6-pentabromodiphenyl ether (PBDE100)
2003–04	10.0 ± 2.4	9.1 ± 2.9	9.3 ± 3.7	10.9 ± 3.4
2005–06	12.4 ± 3.2	8.9 ± 3.1	4.9 ± 1.8	12.8 ± 6.1
2007–08	6.7 ± 1.6	6.8 ± 1.4	6.2 ± 2.1	8.1 ± 2.3
2,2′,4,4′,5,5′-hexabromodiphenyl ether (PBDE153)
2003–04	16.1 ± 5.7	15.4 ± 3.7	15.8 ± 7.6	17.6 ± 4.7
2005–06	15.8 ± 4.4	11.7 ± 2.9	9.0 ± 2.2	13.3 ± 4.4
2007–08	12.0 ± 3.3	13.8 ± 2.8	11.5 ± 2.8	13.4 ± 3.3

^aSignificantly different 95% CI of the arithmetic mean compared with NHANES 2003/04 is indicated with an asterisk.