Skip to main content
. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Reprod Toxicol. 2009 Oct 9;29(1):25. doi: 10.1016/j.reprotox.2009.09.008

Table 3.

The association between polychlorinated biphenyl (PCB) concentrations at critical windows of exposure and child size at age two years, New York State Angler Cohort Study (1996–2002)1

Outcome Prenatal Serum (ng/g serum) Breast Milk (ng/g milk) Child Serum (ng/g serum)
N Beta 95% CI N Beta 95% CI N Beta 95% CI
Total PCBs unadjusted model
Weight z-score 44 0.02 −0.29, 0.34 32 −0.34 −1.09, 0.41 17 0.18 −0.76, 1.12
Length z-score 44 0.11 −0.43, 0.65 32 −0.02 −0.67, 0.63 17 −0.16 −1.03, 0.72
Weight-for-length z-score 44 0.05 −0.53, 0.63 32 −0.46 −1.16, 0.24 17 0.12 −0.66, 0.90
Head circumference z-score 44 0.15 −0.55, 0.85 32 0.01 −0.78, 0.79 17 0.13 −1.06, 1.32
Total PCBs adjusted model2
Weight z-score 44 0.02 −0.63, 0.66 32 −0.30 −1.12, 0.52 17 −0.23 −1.23, 0.77
Length z-score 44 −0.14 −0.68, 0.40 32 −0.31 −0.92, 0.30 17 −0.57 −1.45, 0.30
Weight-for-length z-score 44 0.07 −0.54, 0.68 32 −0.28 −1.07, 0.50 17 −0.23 −1.01, 0.55
Head circumference z-score 44 0.34 −0.29, 0.97 32 −0.04 −0.74, 0.66 17 −0.21 −1.39, 0.97
Summed coplanar PCBs adjusted model2,3
Weight z-score 44 0.40 −0.24, 1.04 32 −0.51 −1.44, 0.42 17 −0.13 −1.05, 0.78
Length z-score 44 −0.18 −0.71, 0.35 32 −0.34 −1.04, 0.36 17 −0.19 −1.06, 0.69
Weight-for- length z-score 44 0.58 −0.01, 1.16 32 −0.42 −1.31, 0.47 17 −0.13 −0.86, 0.60
Head circumference z-score 44 0.51 −0.10, 1.13 32 −0.25 −1.05, 0.55 17 −0.59 −1.61, 0.43
PCB congener 114 adjusted model2
Weight z-score 44 −0.16 −0.78, 0.46 32 −0.57 −1.35, 0.22 17 −0.66 −1.59, 0.28
Length z-score 44 −0.15 −0.67, 0.36 32 −0.34 −0.93, 0.25 17 −0.61 −1.34, 0.12
Weight-for- length z-score 44 −0.14 −0.72, 0.44 32 −0.40 −1.16, 0.37 17 −0.39 −1.16, 0.38
Head circumference z-score 44 0.45 −0.15, 4.04 32 −0.08 −0.76, 0.61 17 −0.61 −1.75, 0.52
PCB congener 153 adjusted model2
Weight z-score 44 −0.20 −0.81, 0.41 32 −0.64 −1.46, 0.18 17 −0.57 −1.58, 0.43
Length z-score 44 −0.16 −0.67, 0.34 32 −0.53 −1.14, 0.08 17 −0.52 −1.36, 0.31
Weight-for- length z-score 44 −0.21 −0.79, 0.37 32 −0.53 −1.32, 0.27 17 −0.38 −1.19, 0.44
Head circumference z-score 44 −0.43 −1.02, 0.16 32 −0.39 −1.09, 0.32 17 0.36 −0.88, 1.59
1

PCB concentrations dichotomized at the median.

2

Models adjusted for gravimetric lipids and weight is adjusted for maternal preconception weight; length is adjusted for maternal height; weight-for-length is adjusted for maternal preconception BMI; and head circumference is adjusted for maternal preconception weight.

3

Coplanar PCBs 77, 126, and 169. In prenatal serum, PCB congener 77 coeluted with congener 110.