Table 2.
Logistic regression analyses of associations between creatinine-adjusted concentrations of phthalate metabolites and clinical pregnancy loss.
| Phthalate | T1 (n = 1073) | T2 (n = 1074) | T3 (n = 1073) | ||
|---|---|---|---|---|---|
| No. of loss (%) | OR (95%CI) | No. of loss (%) | OR (95%CI) | ||
| MMP | 42 (3.91) | 31 (2.89) | 0.73 (0.45,1.17) | 36 (3.36) | 0.85 (0.54,1.35) |
| MEP | 26 (2.42) | 43 (4.00) | 1.73 (1.05,2.84) | 40 (3.73) | 1.62 (0.98,2.69) |
| MBP | 29 (2.70) | 34 (3.17) | 1.19 (0.72,1.97) | 46 (4.29) | 1.59 (1.00,2.56) |
| MBzP | 35 (3.26) | 40 (3.72) | 1.18 (0.74,1.89) | 34 (3.17) | 1.00 (0.61,1.61) |
| MEHP | 34 (3.17) | 35 (3.26) | 1.04 (0.64,1.69) | 40 (3.73) | 1.20 (0.75,1.92) |
| MEOHP | 28 (2.61) | 33 (3.07) | 1.24 (0.74,2.07) | 48 (4.47) | 1.70 (1.05,2.74) |
| MEHHP | 22 (2.05) | 38 (3.54) | 1.77 (1.03,3.01) | 49 (4.57) | 2.26 (1.35,3.78) |
| ΣLMWP | 28 (2.61) | 37 (3.45) | 1.35 (0.82,2.22) | 44 (4.10) | 1.60 (1.00,2.60) |
| ΣHMWP | 28 (2.61) | 32 (2.98) | 1.16 (0.69,1.94) | 49 (4.57) | 1.74 (1.08,2.80) |
Abbreviations: OR, odds ratio; CI, confidence interval; T1/2/3, the first/second/third tertile of phthalate concentrations. Adjusted for maternal age, education, parity and gestational weeks of urine collection.