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Table 5 Associations between non-transformed PCB exposure and length of gestation

From: Prenatal polychlorinated biphenyl exposure is associated with decreased gestational length but not birth weight: archived samples from the Child Health and Development Studies pregnancy cohort

 

Unadjusted

Adjusted

Further adjusted forp,p′-DDE

 

bunadjusted 1

95%CI

badjusted 2

95% CI

b3adjusted

95%CI

PCB groupings

      

 PCBtotal

−0.096*

(−0.19, -0.0021)

−0.096*

(−0.19, -0.0016)

−0.087

(−0.20, 0.022)

 PCBmono

−0.26+

(−0.54, 0.025)

−0.30*

(−0.59, -0.016)

−0.27+

(−0.57, 0.031)

 PCBdi

−0.13+

(−0.27, 0.0035)

−0.12+

(−0.25, 0.017)

−0.099

(−0.25, 0.057)

 PCBtri

−0.41

(−1.38, 0.55)

−0.54

(−1.53, 0.44)

−0.31

(−1.43, 0.80)

 PCB1b

−1.17

(−2.76, 0.42)

−1.09

(−2.72, 0.54)

−0.75

(−2.63, 1.14)

 PCB2b

−0.29+

(−0.61, 0.031)

−0.24

(−0.56, 0.081

−0.18

(−0.55, 0.18)

 PCB3

−0.21+

(−0.42, 0.011)

−0.20+

(−0.42, 0.014)

−0.18

(−0.43, 0.077)

Individual PCBs

      

 PCB 66

−0.70+

(−1.42, 0.0095)

−0.89*

(−1.60, -0.18)

−0.83*

(−1.56, -0.11)

 PCB 74

−0.56

(−1.35, 0.24)

−0.58

(−1.38, 0.22)

−0.47

(−1.30, 0.36)

 PCB 99

−0.59

(−1.55, 0.37)

−0.48

(−1.43, 0.48)

−0.32

(−1.32, 0.68)

 PCB 118

−0.29

(−0.84, 0.26)

−0.33

(−0.88, 0.23)

−0.25

(−0.82, 0.33)

 PCB 138

−0.32

(−0.71, 0.071)

−0.26

(−0.65, 0.13)

−0.18

(−0.62, 0.26)

 PCB 153

−0.42*

(−0.83, -0.0093)

−0.38+

(−0.79, 0.035)

−0.32

(−0.79, 0.15)

 PCB 170

−1.58*

(−3.12, -0.043)

−1.54*

(−3.07, -0.0027)

−1.37

(−3.10, 0.36)

 PCB 180

−0.57

(−1.28, 0.13)

−0.74*

(−1.46, -0.017)

−0.69

(−1.55, 0.18)

 PCB 187

−1.17

(−2.76, 0.42)

−1.09

(−2.72, 0.54)

−0.75

(−2.63, 1.14)

 PCB 194

−1.18

(−4.55, 2.19)

−2.32

(−5.69, 1.06)

−2.15

(−5.87, 1.57)

 PCB 203

0.065

(−1.83, 1.96)

−0.55

(−2.47, 1.37)

−0.16

(−2.19, 1.86)

  1. 1Parameter estimate for non-transformed PCB measure (adjusted: laboratory, natural log-transformed serum triglycerides and cholesterol).
  2. 2Parameter estimate for non-transformed PCB measure (adjusted: maternal race, age, employment status and infant sex, laboratory and natural log-transformed serum triglycerides and cholesterol).
  3. 3Parameter estimate for non-transformed PCB measure (adjusted: p,p′- DDE, maternal race, age, employment status and infant sex, laboratory and natural log-transformed serum triglycerides and cholesterol).
  4. +significant at 0.05<p<0.10; *significant at p<0.05.
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Environmental Health

ISSN: 1476-069X