Table 5.
Stratification by neighborhood poverty.
| Hypertensive disorders in pregnancy | Severe preeclampsia/eclampsia | |||
|---|---|---|---|---|
| Pollutant (dichotomized) | Low poverty | High poverty | Low poverty adjusteda | High poverty |
| Adjusteda OR (95% CI) | Adjusteda OR (95% CI) | OR (95% CI) | Adjusteda OR (95% CI) | |
| Arsenic (1.66 μg/L) | 0.97 (0.96, 0.99) | 1.01 (0.99, 1.03) | 0.98 (0.95, 1.00) | 1.03 (1.00, 1.05) |
| Cadmium | 1.18 (1.15, 1.21) | 1.05 (1.01, 1.09) | 1.15 (1.10, 1.19) | 1.03 (0.98, 1.09) |
| DBCP | 1.13 (1.11, 1.15) | 0.98 (0.96, 1.00) | 1.14 (1.11, 1.16) | 1.00 (0.97, 1.02) |
| Hex Chrom (1.57 μg/L) | 1.12 (1.10, 1.14) | 1.03 (1.01, 1.06) | 1.12 (1.09, 1.14) | 1.02 (0.99, 1.04) |
| Lead (0.02 μg/L) | 1.10 (1.08, 1.11) | 1.03 (1.02, 1.05) | 1.13 (1.10, 1.15) | 1.02 (1.00, 1.05) |
| Nitrate (10.82 μg/L) | 1.02 (1.01, 1.04) | 0.95 (0.94, 0.97) | 1.02 (0.99, 1.04) | 1.01 (0.98, 1.03) |
| Perchlorate | 0.93 (0.92, 0.95) | 0.90 (0.89, 0.92) | 0.92 (0.89, 0.94) | 0.89 (0.87, 0.91) |
| PCE (0.09 μg/L) | 0.93 (0.91, 0.95) | 1.00 (0.98, 1.01) | 0.94 (0.92, 0.97) | 1.02 (1.00, 1.05) |
| Radium (0.16 pCi/L) | 1.01 (0.99, 1.03) | 0.93 (0.91, 0.96) | 1.07 (1.04, 1.10) | 0.95 (0.92, 0.99) |
| TCE (0.07 μg/L) | 0.92 (0.90, 0.93) | 1.01 (0.99, 1.02) | 0.91 (0.89, 0.94) | 1.04 (1.02, 1.06) |
| TCP | 0.99 (0.97, 1.00) | 0.94 (0.92, 0.96) | 0.99 (0.96, 1.01) | 0.98 (0.96, 1.01) |
| THM (44.86 μg/L) | 0.90 (0.89, 0.92) | 1.06 (1.05, 1.08) | 0.90 (0.88, 0.92) | 1.08 (1.05, 1.10) |
| Uranium (3.10 pCi/L) | 0.95 (0.93, 0.96) | 0.96 (0.94, 0.98) | 0.93 (0.90, 0.95) | 0.98 (0.96, 1.01) |
| MCL violations | 1.04 (1.02, 1.06) | 0.96 (0.94, 0.98) | 1.03 (1.00, 1.06) | 0.95 (0.92, 0.97) |
| TCR violations | 1.08 (1.05, 1.10) | 0.99 (0.97, 1.01) | 1.07 (1.05, 1.10) | 1.00 (0.98, 1.03) |
aModels were adjusted for maternal age (years), race/ethnicity, payment source of birth costs, education, smoking during pregnancy, parity, preexisting diabetes, and census tract poverty.
DBCP indicates 1,2-Dibromo-3-chloropropane; Hex Chrom, hexavalent chromium; PCE, tetrachloroethylene; TCE, trichloroethylene; TCP, 1,2,3-trichloropropane; THM, trihalomethane.