Table 3a.

Dioxin-like chemicals (pg/g lipid) in ACHS II participants stratified by race.

Dioxin Congener	Race	n	% > LOD	AM	AM Race Ratio	Min	10th %	50th %	90th %	95th %	Max
2,3,7,8 TCDDa	AA	171	82.5	1.7	1.2	<LOD	<LOD	1.3	3.3	4.8	15.6
	W	166	86.1	1.4		<LOD	<LOD	1.2	2.7	3.3	7.1
1,2,3,7,8 PeCDDa	AA	172	96.5	5.8	1.2	<LOD	2.1	4.8	10.2	13.7	25.3
	W	166	98.2	5.0		<LOD	1.9	4.5	8.9	11.2	17.5
1,2,3,4,7,8 HxCDDa	AA	172	97.7	4.4	1.1	<LOD	1.3	3.2	9.2	11.6	19.1
	W	166	99.4	3.9		<LOD	1.4	3.2	7.2	8.9	22.3
1,2,3,6,7,8 HxCDDa	AA	172	99.4	31.6	1.1	<LOD	13.3	25.2	56.1	73.6	148.3
	W	166	100	28.7		3.1	11.7	26.8	48.5	56.7	96.9
1,2,3,7,8,9 HxCDD	AA	172	75.6	4.2	1.1	<LOD	<LOD	3.7	8.8	13.5	20.0
	W	166	79.5	4.0		<LOD	<LOD	3.7	7.3	9.6	21.1
1,2,3,4,6,7,8 HpCDD	AA	172	76.2	28.9	1.1	<LOD	<LOD	22.1	61.9	91.9	176.9
	W	166	77.7	26.2		<LOD	<LOD	19.5	52.3	71.2	299.7
OCDDa	AA	172	87.2	358.9	1.2	<LOD	<LOD	298.6	693.8	945.9	1557
	W	166	86.8	304.6		<LOD	<LOD	263.3	602.7	704.9	1962
2,3,7,8 TCDF	AA	172	26.2	--		<LOD	<LOD	<LOD	0.9	1.3	19.3
	W	166	18.1	--		<LOD	<LOD	<LOD	0.7	1.1	2.7
1,2,3,7,8 PeCDF	AA	172	7.6	--		<LOD	<LOD	<LOD	<LOD	0.5	19.0
	W	166	10.8	--		<LOD	<LOD	<LOD	0.5	1.1	3.1
2,3,4,7,8 PeCDFa	AA	171	98.3	7.1	1.3	<LOD	2.2	5.2	12.6	16.8	78.6
	W	166	99.4	5.6		<LOD	2.4	5.1	9.6	11.9	22.7
1,2,3,4,7,8 HxCDFa	AA	172	98.8	4.1	1.2	<LOD	1.9	3.5	7.4	9.5	15.8
	W	166	99.4	3.5		<LOD	1.8	3.2	5.7	6.5	10.1
1,2,3,6,7,8 HxCDF	AA	172	98.3	3.9	1.0	<LOD	1.7	3.5	6.1	8.3	16.2
	W	166	99.4	3.8		<LOD	1.8	3.3	6.2	8.0	11.1
1,2,3,7,8,9 HxCDF	AA	172	1.2	--		<LOD	<LOD	<LOD	<LOD	<LOD	17.4
	W	166	0.6	--		<LOD	<LOD	<LOD	<LOD	<LOD	0.7
2,3,4,6,7,8 HxCDF	AA	172	64.5	0.76	1.0	<LOD	<LOD	0.7	1.6	1.9	17.4
	W	166	72.3	0.79		<LOD	<LOD	0.7	1.8	2.4	3.0
1,2,3,4,6,7,8 HpCDFa	AA	172	89.5	5.4	1.4	<LOD	<LOD	4.6	8.7	10.8	57.8
	W	166	82.5	3.8		<LOD	<LOD	3.7	6.9	8.5	20.0
1,2,3,4,7,8,9 HpCDF	AA	172	5.8	--		<LOD	<LOD	<LOD	<LOD	0.3	15.3
	W	166	3.6	--		<LOD	<LOD	<LOD	<LOD	<LOD	0.6
OCDF	AA	172	1.2	--		<LOD	<LOD	<LOD	<LOD	<LOD	18.5
	W	166	0.6	--		<LOD	<LOD	<LOD	<LOD	<LOD	2.2
PCB 81	AA	172	5.2	--		<LOD	<LOD	<LOD	<LOD	4.7	71.4
	W	166	1.8	--		<LOD	<LOD	<LOD	<LOD	<LOD	9.9
PCB 126a	AA	172	86.6	114.5	3.2	<LOD	<LOD	44.9	293.2	449	1196
	W	166	71.1	35.4		<LOD	<LOD	15.7	81.7	121.7	760.1
PCB 169a	AA	172	89.5	43.4	1.5	<LOD	<LOD	31.1	94.9	122.6	363.6
	W	166	86.8	28.7		<LOD	<LOD	23.7	53.9	74.4	175.5
PCB 105a	AA	172	97.7	14700	3.7	<LOD	1000	7000	35700	56800	101700
	W	166	89.2	3920		<LOD	<LOD	1364.5	10500	14300	60430
PCB 118a	AA	172	100	80510	3.3	1694	6200	40200	202900	277500	532600
	W	166	100	24550		716.9	2400	10475	53800	83700	382200
PCB 156a	AA	172	100	28120	2.0	700	4900	19285	64100	88400	170600
	W	166	98.2	13930		<LOD	1817	9885	29810	40500	94600
PCB 157a	AA	172	97.1	7570	2.2	<LOD	1100	5003.5	17300	23100	44800
	W	166	91.0	3510		<LOD	483.4	2500	8000	10600	30200
PCB 167a	AA	172	98.8	12700	2.7	<LOD	1300	7816	32600	39800	73310
	W	164	92.7	4660		<LOD	633.1	2433.5	10810	14500	70900
PCB 189a	AA	168	92.3	2900	2.2	<LOD	500	2000.5	5800	9700	21650
	W	164	84.2	1300		<LOD	<LOD	1000	2700	3800	8900
PCB 114a	AA	162	92.6	4430	2.2	<LOD	700	2622	12700	14300	31850
	W	151	88.1	1990		<LOD	<LOD	1300	3700	6107	18600
PCB 123	AA	151	32.5	--		<LOD	<LOD	<LOD	2300	3400	9086
	W	138	15.2	--		<LOD	<LOD	<LOD	793.3	1264	11400

% > LOD—percent over the limit of detection

AA—African American

W—White

AM—arithmetic mean

Arithmetic means were only calculated for congeners with 60% >LOD

^aStatistically significant (p < 0.05) by race when adjusted for age and sex in linear regression.