Table 2.

Chemical concentrations in serum among participants with complete model data.^a

Exposure	n	n > LOD (%)	Mean	Minimum	P25	P50	P75	Maximum
PCB-153
Wet weight (ng/mL serum)
Maternal	480	480 (100)	2.1	0.2	1.0	1.5	2.4	56.1
Cord	492	492 (100)	0.4	0.0	0.2	0.3	0.5	6.3
6-month infant	454	454 (100)	1.3	0.0	0.2	0.7	1.5	33.2
Lipid basis (ng/g lipid)
Maternal	480		205	15	102	150	234	3,958
Cord	492		167	2	73	115	188	3,989
6-month infant	454		206	3	37	113	248	4,714
p,p’-DDE
Wet weight (ng/mL serum)
Maternal	480	478 (99.6)	6.0	0.0	2.6	4.6	7.6	39.8
Cord	492	489 (99.4)	1.4	0.0	0.6	1.1	1.8	9.1
6-month infant	454	452 (99.6)	4.1	0.0	0.7	2.4	5.4	46.0
Lipid basis (ng/g lipid)
Maternal	480		578	0.2	265	458	725	3,292
Cord	492		572	2	259	442	707	4,396
6-month infant	454		648	0.2	115	388	847	6,588
P, percentile. aStatistics computed using lab-reported values for those below the limit of detection (LOD).