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2022 年度 実施状況報告書

How does health insurance copayment affect the use of medical services and health outcomes

研究課題

研究課題/領域番号 19K13700
研究機関国際大学

研究代表者

Wong ChunYee  国際大学, 国際関係学研究科, 講師(移行) (20814164)

研究期間 (年度) 2019-04-01 – 2024-03-31
キーワードhealth outcome / healthcare / health insurance / health behaviour
研究実績の概要

This project is aimed at investigating the effects of health insurance and related health policies on health outcomes. The data of Comprehensive Survey of Living Conditions (CSLC) were obtained to facilitate analyzing the health policy impacts on health outcomes of individuals in Japan. Since the co-payment of medical fees differs for those below 70 and between 70 and 74, and the share of medical fees changed in 2014, the threshold at age 70 and policy changes provide natural experiments to estimate the causal effects of coinsurance on health outcomes. By utilizing the data in 2013 and 2016, the method of difference-in-differences (DID) is adopted to estimate the average treatment effects of the change in co-payment on health outcomes. The results indicate that in general, decrease in health insurance coverage (i.e., increase in co-payment) reduces positive health behaviour. However, the impact on risky health behaviour is mixed. Furthermore, people with higher education level tend to have a stronger change in their behaviour for both positive and negative health behaviour. Besides, males have a larger decline in smoking but have a significant increase in alcohol consumption compared to females. The findings of the study have significant implications for policy-making: by understanding the effects of health insurance coverage on various health behaviors, policymakers can develop targeted interventions and strategies to encourage positive behavioral changes in different population segments.

現在までの達成度 (区分)
現在までの達成度 (区分)

2: おおむね順調に進展している

理由

This research project has made significant progress. Despite a slight delay in acquiring the 2016 data, the phases of literature review, data collection, and data analysis had been completed. Currently, I am focused on drafting the research paper and presenting the findings and remains committed to delivering a high-quality study that makes a valuable impact.

今後の研究の推進方策

The results of this study were presented at the Pensions, Retirement, and Ageing seminar in March, 2023. The manuscript is currently undergoing revisions, particularly to incorporate valuable comments received during the presentation. The focus of current work is on finalizing the manuscript, addressing the revisions to enhance clarity and coherence. Once the manuscript is completed, a suitable peer-reviewed journal will been selected for submission.

次年度使用額が生じた理由

The remining fund will be used for finishing the manuscript including employing research support and English editing.

  • 研究成果

    (1件)

すべて 2023

すべて 学会発表 (1件) (うち招待講演 1件)

  • [学会発表] The Impact of Health Insurance on Health Behaviours among Older People: Evidence from Japan2023

    • 著者名/発表者名
      WONG CHUN YEE
    • 学会等名
      Pensions, Retirement and Ageing seminar
    • 招待講演

URL: 

公開日: 2023-12-25  

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