Table 3.
Weighted quantile sum index stratified according to age and use of combined oral contraceptives (COCs). Data presented are estimate (SE) and OR (95% CI)
| Group | Outcome: TTPa Estimate (SE)b |
Chemicals of concernc | Outcome: Infertility OR (95% CI) b |
Chemicals of concernc | |
|---|---|---|---|---|---|
| < 29 years old | Non-COC user | −0.02(0.05) | – | 0.97 (0.22–4.26) | – |
| COC user | 0.03 (0.03) | – | 0.92 (0.35–2.41) | – | |
| ≥ 29 years old | Non-COC user | 0.09 (0.03)* | PCB 183, 156, 187, 118 | 1.79 (1.03–3.11)* | PCB 187, 156, 74, 183, transnonachlor |
| COC user | 0.07 (0.04) | – | 1.27 (0.07–2.3) | – | |
alog transformed + 1
bAdjusted with parity, regularity of menses, maternal BMI, and smoking
cChemicals with weight greater than 7.6%
* p < 0.05
Abbreviations: CI confidence interval, COCs combined oral contraceptives, PCB polychlorobiphenyl, OR odds ratio, SE standard error, TTP time-to-pregnancy