From: A Cohort study evaluation of maternal PCB exposure related to time to pregnancy in daughters
Categories | PCB congener | Weights associated with longer TTPa | Weights associated with shorter TTPb | ||
---|---|---|---|---|---|
Bootstrap Means | Average Bootstrap Sum | Bootstrap Means | Average Bootstrap Sum | ||
Group 1: Estrogenic | 101 | 0.06 | 16% | 0.10 | 17% |
187 c | 0.01 | 0.07 | |||
201 | 0.09 | 0 | |||
Group 2A: Anti-estrogenic (AE), dioxin like | 66 | 0.07 | 22% | 0.02 | 46% |
74 | 0.01 | 0.11 | |||
105 d | <0.01 | 0.08 | |||
118 | 0 | 0.12 | |||
156 c | 0.13 | <0.01 | |||
167 | 0 | 0.12 | |||
Group 2B: AE & not dioxin like | 138 d | 0 | <1% | 0.06 | 14% |
170 | <0.01 | 0.07 | |||
Group 3: Phenobarb, CYP1A, CYP2B inducers | 99 c | 0.02 | 9% | <0.01 | 23% |
153 | 0 | 0.09 | |||
180 | <0.01 | 0.04 | |||
203 | <0.01 | 0.07 | |||
183 d | 0.07 | 0.02 | |||
Not categorized | 56 | 0.47 | 54% | <0.01 | 0 |
146 | 0.07 | 0 |