Mediterranean-Style Diet and Risk of Preeclampsia by Race in the Boston Birth Cohort

Anum S. Minhas, Xiumei Hong, Guoying Wang, Dong Keun Rhee, Tiange Liu, Mingyu Zhang, Erin D. Michos, Xiaobin Wang, Noel T. Mueller

Research output: Contribution to journalArticlepeer-review


BACKGROUND: Preeclampsia is a major cause of maternal and fetal morbidity and mortality. Given its large public health burden, there is a need to identify modifiable factors that can be targeted for preeclampsia prevention. In this study, we examined whether a Mediterranean-style diet is protective for preeclampsia in a large cohort of racially and ethnically diverse, urban, low-income women. METHODS AND RESULTS: We used data from the Boston Birth Cohort. Maternal sociodemographic and dietary data were obtained via interview and food frequency questionnaire within 24 to 72 hours postpartum, respectively. Additional clinical information, including physician diagnoses of preexisting conditions and preeclampsia, were extracted from medical records. We derived a Mediterranean-style diet score from the food frequency questionnaire and performed logistic regression to ex-amine the association of the Mediterranean-style diet score with preeclampsia. Of 8507 women in the sample, 848 developed preeclampsia. 47% were Black, 28% were Hispanic, and the remaining were White/Other. After multivariable adjustment, greatest adherence with MSD was associated with lower preeclampsia odds (adjusted odds ratio comparing tertile 3 to tertile 1, 0.78; 95% CI, 0.64– 0.96). A subgroup analysis of Black women demonstrated a similar benefit with an adjusted odds ratio comparing tertile 3 to tertile 1 of 0.74 (95% CI, 0.76– 0.96). CONCLUSIONS: Self-report of higher adherence to a Mediterranean-style diet is associated with lower preeclampsia odds, and benefit of this diet is present among Black women as well.

Original languageEnglish (US)
Article numbere022589
JournalJournal of the American Heart Association
Issue number9
StatePublished - May 3 2022


  • diet
  • preeclampsia
  • pregnancy

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine


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