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Table 3 Adjusted relative risk (RR) and odds ratio (OR) for a male birth (n = 399)*

From: A cohort study of in utero polychlorinated biphenyl (PCB) exposures in relation to secondary sex ratio

 

Log-binomial model

Logistic model

PCB exposure

RR

95% CI

p-value

OR

95% CI

p-value

Total PCBs†

0.67

0.48, 0.94

0.02

0.45

0.26, 0.80

0.007

PCB 105

0.76

0.57, 1.01

0.06

0.58

0.37, 0.91

0.02

PCB 110

0.79

0.59, 1.06

0.11

0.66

0.41, 1.07

0.09

PCB 118

0.85

0.65, 1.12

0.25

0.72

0.45, 1.15

0.17

PCB 137

0.77

0.57, 1.04

0.09

0.63

0.39, 1.02

0.06

PCB 138

0.82

0.62, 1.09

0.17

0.68

0.42, 1.09

0.10

PCB 153

0.82

0.61, 1.11

0.20

0.68

0.40, 1.15

0.15

PCB 170

0.75

0.56, 1.00

0.05

0.57

0.36, 0.91

0.02

PCB 180

0.89

0.69, 1.14

0.35

0.80

0.51, 1.24

0.32

PCB 187

0.80

0.58, 1.09

0.16

0.67

0.38, 1.17

0.16

  1. *Adjusted RR and OR for a male birth for a given increase in PCB concentration from the 10th to the 90th percentile: Child Health and Development Study, 1964–67. Estimates adjusted for specimen characteristics and an indicator of a prescription for sex steroids, oral contraceptives or corticosteroids.
  2. †Sum of PCB #105, 110, 118, 137, 138, 153, 170, 180, 187.
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Environmental Health

ISSN: 1476-069X