Table 2.
Median and interquartile range (IQR) for lipid-adjusted serum chemicals by gravid condition status.
| Chemical (ng/g, serum) | % < LOD | Overall (N = 258) | GDM (N = 28) | No GDM (N = 230) | HTN (N = 27) | No HTN (N = 231) |
|---|---|---|---|---|---|---|
| Median (IQR) | Median (IQR) | Median (IQR) | Median (IQR) | Median (IQR) | ||
| OCPsa | ||||||
| HCB | 1.9 | 0.05 (0.04,0.06) | 0.05 (0.04, 0.06) | 0.05 (0.04, 0.06) | 0.04 (0.04, 0.06) | 0.05 (0.04,0.06) |
| β-HCH | 58.5 | <LOD (<LOD, 0.02) | 0.013 (<LOD, 0.02) | <LOD (<LOD, 0.02) | <LOD (<LOD, 0.02) | <LOD (<LOD, 0.02) |
| γ-HCH | 99.2 | <LOD | <LOD | <LOD | <LOD | <LOD |
| Mirex | 81 | <LOD | <LOD | <LOD | <LOD | <LOD |
| o,p’-DDT | 99.6 | <LOD | <LOD | <LOD | <LOD | <LOD |
| Oxychlordane | 17.1 | 0.03 (0.02, 0.05) | 0.04 (0.03, 0.06) | 0.03 (0.02, 0.04) | 0.03 (0.02, 0.04) | 0.03 (0.02, 0.05) |
| p,p’-DDE | 0.8 | 0.57 (0.41,0.78) | 0.60 (0.47, 0.97) | 0.56 (0.38, 0.77) | 0.57 (0.44, 0.68) | 0.57 (0.39, 0.79) |
| p,p’-DDT | 60.5 | <LOD (<LOD, 0.02) | <LOD (<LOD, 0.02) | <LOD (<LOD, 0.02) | <LOD (<LOD, 0.014) | <LOD (<LOD, 0.02) |
| trans-Nonachlor | 3.5 | 0.05 (0.03, 0.08) | 0.06 (0.04, 0.09) | 0.05 (0.03, 0.08) | 0.04 (0.03, 0.06) | 0.05 (0.03, 0.08) |
| PBDEsb | ||||||
| 17 | 84.9 | <LOD | <LOD | <LOD | <LOD | <LOD |
| 28 | 23.6 | 0.01 (0.003,0.01) | 0.01 (0.004, 0.01) | 0.01 (0.003,0.01) | 0.01 (<LOD, 0.02) | 0.01 (0.003,0.01) |
| 47 | 1.2 | 0.11 (0.06,0.21) | 0.13 (0.06, 0.19) | 0.11 (0.06,0.21) | 0.14 (0.05, 0.29) | 0.11 (0.06,0.20) |
| 66 | 86.8 | <LOD | <LOD | <LOD | <LOD | <LOD |
| 85 | 59.7 | <LOD (<LOD, 0.004) | 0.003 (<LOD, 0.004) | <LOD (<LOD, 0.004) | <LOD (<LOD, 0.004) | <LOD (<LOD, 0.004) |
| 99 | 25.6 | 0.02 (0.01,0.04) | 0.03 (0.01,0.04) | 0.02 (0.01,0.04) | 0.02 (0.01,0.04) | 0.02 (0.01,0.04) |
| 100 | 1.9 | 0.02 (0.01,0.04) | 0.03 (0.01,0.04) | 0.02 (0.01,0.04) | 0.03 (0.01,0.06) | 0.02 (0.01,0.04) |
| 153 | 0.8 | 0.04 (0.02, 0.09) | 0.03 (0.02, 0.10) | 0.04 (0.02, 0.09) | 0.05 (0.02, 0.11) | 0.04 (0.02, 0.09) |
| 154 | 62.4 | <LOD (<LOD, 0.004) | 0.003(<LOD, 0.005) | <LOD (<LOD, 0.004) | <LOD (<LOD, 0.004) | <LOD (<LOD, 0.004) |
| 183 | 82.6 | <LOD | <LOD | <LOD | <LOD | <LOD |
HCB, hexachlorobenzene; β-HCH, β-hexachlorocyclohexane; γ-HCH, γ-hexachlorocyclohexane; o,p′ DDT, 1,1,1-Trichloro-2-2(o-chlorophenyl)-2-(p-chlorophenyl)ethane; p,p′-DDE, 1,1-dichloro-2,2-bis(p-chlorophenyl)ethylene; p,p′-DDT, 1,1,1-Trichloro-2-2(o-chlorophenyl)-2-(p-chlorophenyl)ethane; OCPs, organochlorine pesticides; PBDE, polybrominated diphenyl ether; IQR, interquartile range; LOD, limit of detection. p-Values from Wilcoxon-Mann-Whitney tests were not statistically significant at p < 0.05 level.
a
LOD for all OCPs was 0.013 ng/g, serum.
b
LOD for PBDEs was 0.003 ng/g, serum, except for BDE-47 (LOD = 0.011 ng/g) and BDE-99 (LOD = 0.010 ng/g).