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Identification of the mechanisms from social determinants of health to cardiovascular events mediated through diabetes.

Research Project

Project/Area Number 22K17392
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 58030:Hygiene and public health-related: excluding laboratory approach
Research InstitutionKyoto University

Principal Investigator

Inoue Kosuke  京都大学, 白眉センター, 特定准教授 (80903830)

Project Period (FY) 2022-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2023: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2022: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords糖尿病 / 生活習慣病 / 心血管イベント / 社会決定要因 / 因果推論 / 機械学習 / 社会経済因子 / 心血管疾患
Outline of Research at the Start

貧困や孤立などの慢性的な社会ストレスは、糖尿病・心血管イベントの重要なリスク因子である。様々な社会リスクが複雑に関わりあう一方、社会情報へのアクセスや古典的な統計手法の限界から、糖尿病疫学においてそれらを複合的に検討したエビデンスは乏しい。

本研究では全国保険者データを用いて、糖尿病及び心血管イベントを引き起こす社会決定要因を同定し、その要因による慢性的な社会ストレスが糖尿病を介して心血管イベントを発症するメカニズムを解明する。本研究により病態・病勢のみならず個人の生活史まで踏まえた糖尿病予防・治療のアプローチを提唱し、健康格差の縮小に貢献する政策・診療ガイドラインへの示唆を得ることを目指す。

Outline of Final Research Achievements

In the context of identifying social determinants, we utilized nationwide cohort data to demonstrate that among the working-age population of 30-49 years in Japan, there is a link between low income and an increased risk of cardiovascular events (diabetes, hypertension, dyslipidemia, obesity). We also showed that health disparities based on income have widened over the past four years. Additionally, using data from the National Health and Nutrition Examination Survey (NHANES) in the USA, we found that lower educational attainment is associated with a higher risk of death due to diabetes. Further, by applying causal mediation analysis to the same data, we showed that approximately 20% of the effect of a parent's education level on their child's obesity is mediated by income.

Academic Significance and Societal Importance of the Research Achievements

本研究結果で得られた結果は、糖尿病をはじめとする生活習慣病が心血管イベント発症リスクを高めるメカニズムにおいて、収入や教育環境などの社会背景因子が重要な役割を有していることを示しており、今後の内科診療・医療政策において社会決定要因がより重要視されることが期待される。

Report

(3 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • Research Products

    (8 results)

All 2024 2023 Other

All Int'l Joint Research (1 results) Journal Article (6 results) (of which Int'l Joint Research: 5 results,  Peer Reviewed: 6 results,  Open Access: 6 results) Funded Workshop (1 results)

  • [Int'l Joint Research] UCLA(米国)

    • Related Report
      2023 Annual Research Report
  • [Journal Article] Harnessing Causal Forests for Epidemiologic Research: Key Consideration2024

    • Author(s)
      Shiba Koichiro、Inoue Kosuke
    • Journal Title

      American Journal of Epidemiology

      Volume: - Issue: 6 Pages: 813-818

    • DOI

      10.1093/aje/kwae003

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Trends in Cardiovascular Risk Factors by Income Among Japanese Adults Aged 30-49?Years From 2017 to 2020: A Nationwide Longitudinal Cohort Study2023

    • Author(s)
      Inoue Kosuke、Kondo Naoki、Sato Koryu、Fukuma Shingo
    • Journal Title

      Endocrine Practice

      Volume: 29 Issue: 3 Pages: 185-192

    • DOI

      10.1016/j.eprac.2022.12.018

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Association Between Educational Status and Mortality According to Diabetes Status Among US Adults2023

    • Author(s)
      Komura Toshiaki、Kondo Naoki、Bhatt Karan、Inoue Kosuke
    • Journal Title

      Mayo Clinic Proceedings: Innovations, Quality & Outcomes

      Volume: 7 Issue: 4 Pages: 203-211

    • DOI

      10.1016/j.mayocpiqo.2023.04.007

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] The effect of poverty on the relationship between household education levels and obesity in U.S. children and adolescents: an observational study2023

    • Author(s)
      Inoue Kosuke、Seeman Teresa E.、Nianogo Roch、Okubo Yusuke
    • Journal Title

      The Lancet Regional Health - Americas

      Volume: 25 Pages: 100565-100565

    • DOI

      10.1016/j.lana.2023.100565

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Machine-learning-based high-benefit approach versus conventional high-risk approach in blood pressure management2023

    • Author(s)
      Inoue Kosuke、Athey Susan、Tsugawa Yusuke
    • Journal Title

      International Journal of Epidemiology

      Volume: Online ahead of print Issue: 4 Pages: 1243-1256

    • DOI

      10.1093/ije/dyad037

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Journal Article] Heterogeneity in the Association Between the Presence of Coronary Artery Calcium and Cardiovascular Events: A Machine-Learning Approach in the MESA Study2023

    • Author(s)
      Inoue Kosuke、Seeman Teresa E.、Horwich Tamara、Budoff Matthew J.、Watson Karol E.
    • Journal Title

      Circulation

      Volume: 147 Issue: 2 Pages: 132-141

    • DOI

      10.1161/circulationaha.122.062626

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access / Int'l Joint Research
  • [Funded Workshop] Society for Epidemiologic Research2023

    • Related Report
      2023 Annual Research Report

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Published: 2022-04-19   Modified: 2025-01-30  

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