Fig. 1
Adjusteda HR (95% CI) of preeclampsia with PCs loaded by toxic metals (PC2) and seafood-associated metals (PC3) within strata of above vs. below median levels of essential metals (PC1) aAdjusted for smoking during pregnancy, race, educational attainment, insurance status, infant sex, ART, calcium supplementation, pre-pregnancy BMI, and gestational age at study visit. Abbreviations: HR, hazard ratio; CI, confidence interval, PC, principal component, pLRT, likelihood ratio test p-value