Table 2.
Distribution of the Geometric Mean of Urinary Bisphenol-A (BPA) and Phthalates Across the Three Trimesters of Pregnancy Among 199 Mothers in the Early Life Exposure in Mexico to Environmental Toxicants (ELEMENT) Project
| Arithmetic mean ± SD (ng/mL) | LOD | % >LOD | Minimum | 25th | 50th | 75th | Maximum | |
|---|---|---|---|---|---|---|---|---|
| BPA | 1.18 ± 0.91 | 0.40 | 76.1 | 0.40 | 0.58 | 0.89 | 1.31 | 6.90 |
| MBzP | 4.12 ± 3.86 | 1.00 | 91.6 | 0.22 | 1.69 | 2.77 | 4.89 | 20.89 |
| MCPP | 1.44 ± 1.17 | 0.20 | 99.8 | 0.20 | 0.63 | 1.01 | 1.98 | 6.02 |
| MECPP | 36.97 ± 25.68 | 0.10 | 100.0 | 2.24 | 20.38 | 30.56 | 45.64 | 172.39 |
| MEHHP | 21.91 ± 16.30 | 0.10 | 100.0 | 1.09 | 9.98 | 17.36 | 27.75 | 94.31 |
| MEHP | 5.96 ± 4.34 | 0.20 | 96.6 | 1.00 | 2.91 | 4.47 | 7.65 | 23.17 |
| MEOHP | 12.70 ± 9.66 | 0.20 | 91.0 | 0.62 | 5.94 | 10.40 | 15.95 | 59.22 |
| MEP | 225.72 ± 341.87 | 1.00 | 99.6 | 12.18 | 49.84 | 114.19 | 261.20 | 2283.49 |
| MnBP | 84.97 ± 84.54 | 0.50 | 99.6 | 4.36 | 28.32 | 54.34 | 107.23 | 467.46 |
| MiBP | 2.04 ± 3.47 | 0.20 | 77.9 | 0.20 | 0.53 | 1.07 | 2.26 | 32.42 |
| ΣDEHP | 78.53 ± 54.11 | 5.79 | 39.95 | 66.65 | 98.21 | 334.95 | ||
| ΣDBP | 84.56 ± 86.34 | 4.59 | 28.10 | 55.24 | 102.27 | 477.45 |
BPA, bisphenol A; DBP, dibutyl phthalate metabolites; DEHP, di-2-ethylhexyl phthalate metabolites; LOD, limit of detection; MBzP, monobenzyl phthalate; MCPP, mono-3-carboxypropyl phthalate; MECPP, mono-2-ethyl-5-carboxypentyl phthalate; MEHHP, mono-2-ethyl-5-hydroxyhexyl phthalate; MEHP, mono-2-ethylhexyl phthalate; MEOHP, mono-2-ethyl-5-oxohexyl phthalate; MEP, monoethyl phthalate; MiBP, mono-isobutyl phthalate; MnBP, mono-n-butyl phthalate.