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Long-Term Adherence to Modifiable Factors and Incident Cardiovascular Disease Among Women With a History of Gestational Diabetes: A Prospective Cohort Study

  • Frank Qian
  • , Jiaxi Yang
  • , Deirdre K. Tobias
  • , Sylvia H. Ley
  • , Jorge E. Chavarro
  • , Gang Liu
  • , Zhangling Chen
  • , Edwina Yeung
  • , Qi Sun
  • , Walter C. Willett
  • , Frank B. Hu
  • , Cuilin Zhang*
  • *Corresponding author for this work
  • Harvard T.H. Chan School of Public Health
  • Boston Medical Center
  • National University of Singapore
  • Harvard Medical School
  • Tulane University
  • Harvard University
  • Huazhong University of Science and Technology
  • The Second Xiangya Hospital of Central South University
  • National Institutes of Health
  • Joslin Diabetes Center

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

BACKGROUND: 

Women with prior gestational diabetes are at increased risk of cardiovascular disease (CVD), but whether and to what extent this risk is modifiable is unknown. 

METHODS: 

NHSII (Nurses' Health Study II) participants (N=4355), who reported a gestational diabetes diagnosis between 1989 and 2001 and were free of type 2 diabetes, CVD, and cancer at baseline were included. Incident CVD included nonfatal myocardial infarction, fatal coronary heart disease, nonfatal/fatal stroke, angiographically confirmed angina, and coronary revascularizations. Modifiable factors were updated every 2 to 4 years. Optimal modifiable factors included body mass index <25.0 kg/m2, favorable Alternative Healthy Eating Index-2010 score (top 40%), ≥150 minutes moderate-intensity or ≥75 minutes vigorous-intensity physical activity/week, noncurrent smoking, and moderate alcohol intake (5.0-14.9 g/day). Multivariable-adjusted Cox models were used to estimate hazard ratios (HR) and 95% CIs with CVD. 

RESULTS:

During a median 27.9 years of follow-up, 188 incident CVD events occurred. Compared with women with zero optimal factors, HR for CVD among women with one, two, three, or four optimal factors was 0.56 (95% CI, 0.22-1.42), 0.40 (95% CI, 0.16-1.02), 0.32 (95% CI, 0.12-0.84), and 0.14 (95% CI, 0.05-0.46), respectively (P-trend<0.0001). There were no incident CVD events in women with all 5 optimal factors. Compared with women with stable modifiable factors, those who increased the number of optimal factors had a lower risk of CVD: 0.30 (95% CI, 0.16-0.55), and those who decreased the number of optimal factors had higher risk: 2.05 (95% CI, 1.28-3.29).

CONCLUSIONS: 

Long-term adherence to and improvements in optimal modifiable factors were associated with lower CVD risk after gestational diabetes.

Original languageEnglish
Article numbere038936
Pages (from-to)e038936
JournalJournal of the American Heart Association
Volume14
Issue number16
DOIs
Publication statusPublished - 5 Aug 2025

Bibliographical note

Publisher Copyright:
© 2025 The Author(s). Published on behalf of the American Heart Association, Inc., by Wiley. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

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