Koryu Sato

Profile Information

Affiliation: Assistant Professor, Faculty of Policy Management, Keio University

Degree: Ph.D. in Economics(Mar, 2024, Waseda University)
MPH(Mar, 2018, Harvard University)

J-GLOBAL ID: 201901014443593248
researchmap Member ID: B000368529

External link: https://web.sfc.keio.ac.jp/~koryus/

慶應義塾大学総合政策学部専任講師。経済学博士、公衆衛生学修士。専門は医療経済学、社会疫学。東京大学経済学部を卒業後、厚生労働省に入省。保険局、老健局、総理大臣官邸等で12年間社会保障政策の企画立案に携わる。ハーバード大学に留学後、京都大学を経て、現職。1986年生まれ、北海道札幌市出身。

Research Areas

Research History

Apr, 2024 - Present

Assistant Professor, Faculty of Policy Management, Keio University
Apr, 2021 - Mar, 2024

Assistant Professor, Graduate School of Medicine, Kyoto University
Apr, 2009 - Mar, 2021

Ministry of Health, Labour and Welfare

Education

Sep, 2021 - Mar, 2024

Graduate School of Economics, Waseda University
Aug, 2016 - Mar, 2018

Harvard University
Apr, 2005 - Mar, 2009

Department of Economics, Faculty of Economics, The University of Tokyo

Papers

Heterogeneous associations of retirement with health and behaviors: A longitudinal study in 35 countries.

Koryu Sato, Haruko Noguchi

American journal of epidemiology, Jun 13, 2025 Peer-reviewedLead authorCorresponding author
Gender, socioeconomic, and built environment differences in the association of participation in an incentivized walking program with physical and social activity: A prospective cohort study among older adults in Japan

Zhen Du, Koryu Sato, Kimihiro Hino, Katsunori Kondo, Naoki Kondo

Social Science & Medicine, Apr, 2025 Peer-reviewedCorresponding author
Increased vegetable consumption in Japan using an incentivized health communication campaign with a quiz

Akira Kyan, Koryu Sato, Naoki Kondo

Journal of Nutritional Science, Mar, 2025 Peer-reviewedLead author
Public Libraries and Functional Disability: A Cohort Study of Japanese Older Adults

Saeko Otani, Koryu Sato, Naoki Kondo

SSM - Population Health, Feb, 2025 Peer-reviewedLead authorCorresponding author
Community-level social capital and subsequent health and well-being among older adults in Japan: An outcome-wide longitudinal approach.

Sho Takeda, Maho Haseda, Koryu Sato, Koichiro Shiba, Atsushi Nakagomi, Kazushige Ide, Naoki Kondo

Health & place, 89 103336-103336, Aug 8, 2024 Peer-reviewed
Pneumococcal vaccination, but not influenza vaccination, is negatively associated with incident dementia among Japanese older adults: The JAGES 2013-2022 prospective cohort study.

Kousuke Iwai-Saito, Koryu Sato, Masahiro Fujii, Katsunori Kondo

Brain, behavior, and immunity, Jun 24, 2024 Peer-reviewed
Sedentary behavior and the combination of physical activity associated with dementia, functional disability, and mortality: A cohort study of 90471 older adults in Japan.

Zhen Du, Koryu Sato, Taishi Tsuji, Katsunori Kondo, Naoki Kondo

Preventive Medicine, 180 107879, Mar, 2024 Peer-reviewedCorresponding author
Estimating the joint association of adverse childhood experiences and asthma with subsequent depressive symptoms: a marginal structural modelling approach

Yuta Takemura, Koryu Sato, Richard Liang, Masanori Isobe, Naoki Kondo, Kosuke Inoue

BMJ Mental Health, Jan, 2024 Peer-reviewed
Family pharmacy and medication adherence among older adults in Japan: A cross-sectional study of JAGES 2019.

Motoki Tamura, Tomo Takasugi, Mieko Nakamura, Natsuyo Yanagi, Atsushi Nakagomi, Koryu Sato, Katsunori Kondo, Toshiyuki Ojima

The journals of gerontology. Series B, Psychological sciences and social sciences, Oct 14, 2023 Peer-reviewed
Does disaster-related relocation impact mental health via changes in group participation among older adults? Causal mediation analysis of a pre-post disaster study of the 2016 Kumamoto earthquake.

Yoko Matsuoka, Maho Haseda, Mariko Kanamori, Koryu Sato, Airi Amemiya, Toshiyuki Ojima, Daisuke Takagi, Masamichi Hanazato, Naoki Kondo

BMC public health, 23(1) 1982-1982, Oct 11, 2023 Peer-reviewed
Association Between the COVID-19 Pandemic and Early Childhood Development.

Koryu Sato, Taiyo Fukai, Keiko K Fujisawa, Makiko Nakamuro

JAMA pediatrics, 177(9) 930-938, Jul 10, 2023 Peer-reviewedLead authorCorresponding author
Retirement and cardiovascular disease: a longitudinal study in 35 countries

Koryu Sato, Haruko Noguchi, Kosuke Inoue, Ichiro Kawachi, Naoki Kondo

International Journal of Epidemiology, May 8, 2023 Peer-reviewedLead authorCorresponding author
Machine Learning-Based Prediction of Functional Disability: a Cohort Study of Japanese Older Adults in 2013-2019.

Yongjian Lu, Koryu Sato, Masato Nagai, Hirokazu Miyatake, Katsunori Kondo, Naoki Kondo

Journal of general internal medicine, 38(11) 2486-2493, May 1, 2023 Peer-reviewedLead authorCorresponding author
Association of frailty with influenza and hospitalization due to influenza among independent older adults: a longitudinal study of Japan Gerontological Evaluation Study (JAGES)

Kousuke Iwai-Saito, Koryu Sato, Jun Aida, Katsunori Kondo

BMC geriatrics, 23(1) 249-249, Apr 26, 2023 Peer-reviewed
Trends in Cardiovascular Risk Factors by Income among Japanese Adults Aged 30-49 Years from 2017-2020: A nationwide longitudinal cohort study

Kosuke Inoue, Naoki Kondo, Koryu Sato, Shingo Fukuma

Endocrine Practice, 29(3) 185-192, Jan, 2023 Peer-reviewed
Associations of influenza and pneumococcal vaccinations with burdens of older family caregivers: The Japan Gerontological Evaluation study (JAGES) cross-sectional study

Kousuke Iwai-Saito, Koryu Sato, Katsunori Kondo

Vaccine, Dec, 2022 Peer-reviewed
Association of functional competencies with vaccination among older adults: a JAGES cross-sectional study

Kousuke Iwai-Saito, Koryu Sato, Katsunori Kondo

Scientific Reports, 12(1) 17247-17247, Oct 14, 2022 Peer-reviewed
A novel behavioral science-based health checkup program and subsequent metabolic risk reductions in a workplace: Checkup championship.

Hanae Nagata, Koryu Sato, Maho Haseda, Yumiko Kobayashi, Naoki Kondo

Preventive medicine, 164 107271-107271, Sep 21, 2022 Peer-reviewedLead authorCorresponding author
The association between elder abuse and refrainment from daily activities during the COVID-19 pandemic among older adults in Japan: A cross-sectional study from the Japan Gerontological Evaluation Study.

Chie Koga, Taishi Tsuji, Masamichi Hanazato, Koryu Sato, Katsunori Kondo

SSM - population health, 19 101229-101229, Sep, 2022 Peer-reviewed
Characteristics associated with optimistic or pessimistic perception about the probability of contracting COVID-19: A cross-sectional study of Japanese older adults

Yuta Takemura, Koryu Sato, Katsunori Kondo, Naoki Kondo

SSM - Population Health, 19 101186-101186, Aug, 2022 Peer-reviewedCorresponding author

Misc.

コロナ禍で食生活・歩数・メンタルヘルスにどのような変化があったか？―健康アプリ「カロママ」のユーザーデータ分析を中心に―

佐藤豪竜

プライマリ・ケア, Vol.6(No.2) 57-59, Apr, 2021 InvitedLead author
医療保険制度の現状と課題

佐藤豪竜

週刊社会保障, (2887), Aug, 2016 InvitedLead author
国保改革をはじめとする持続可能な医療保険制度の構築＝医療保険制度の財政基盤の安定化、負担の公平化、医療費適正化の推進、患者申出療養の創設等＝

佐藤豪竜

時の法令, (1989) 4-25, Nov, 2015 InvitedLead author
被用者保険の現状と課題

佐藤豪竜

週刊社会保障, (2788), Aug, 2014 InvitedLead author
社会保障制度の課題と方向

佐藤豪竜

週刊社会保障, (2690), Aug, 2012 InvitedLead author

Books and Other Publications

Silver Opportunity : Building Integrated Services for Older Adults around Primary Health Care

Hou, Xiaohui, Sharma, Jigyasa, Zhao, Feng (Role: Contributor, Chapter 5. Designing Integrated Care for an Aging Population: Regulation and Governance for Healthy Aging)

World Bank, Feb, 2023
複眼で見る医療経済とイノベーション

真野俊樹 (Role: Contributor, 第３章米国から見た医療経済)

千倉書房, Feb 1, 2022 (ISBN: 4805112522)
健康保険法の解釈と運用平成29年度版

(Role: Joint editor)

法研, Jul, 2017
持続可能な医療保険制度の構築に向けて : 平成27年改革の軌跡とポイント

これからの医療保険制度の在り方を考える研究会 (Role: Joint editor)

第一法規, Feb, 2016 (ISBN: 9784474054233)

Research Projects

生活習慣病の業種間格差・地域間格差の分析および格差解消対策の立案のための研究

厚生労働科学研究費補助金(循環器疾患・糖尿病等習慣病対策総合研究事業), 応用研究, 厚生労働省, Apr, 2025 - Mar, 2028

横山徹爾, 田淵貴大, 渡井いずみ, 佐藤豪竜, 松下由実, 逸見治, 吹田晋
Development of an internationally comparable longitudinal database of older adults and causal inference

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2023 - Mar, 2027
Study to clarify factors related to vaccine hesitancy in older adults

Grants-in-Aid for Scientific Research, Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2021 - Mar, 2024
Causal effects of physical activity on health outcomes including dementia among older adults: a proposal of a new instrumental variable

Grants-in-Aid for Scientific Research, Grant-in-Aid for Early-Career Scientists, Japan Society for the Promotion of Science, Apr, 2020 - Mar, 2023

Profile Information

Research Areas

Research History

Education

Papers

Misc.

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