2023 Fiscal Year Final Research Report
Research for establishing the measurement of daily life walking speed for long-term health monitoring
| Project/Area Number |
20K12751
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Review Section |
Basic Section 90150:Medical assistive technology-related
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| Research Institution | Tokyo Metropolitan Geriatric Hospital and Institute of Gerontology |
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Principal Investigator |
Kawai Hisashi 地方独立行政法人東京都健康長寿医療センター(東京都健康長寿医療センター研究所), 東京都健康長寿医療センター研究所, 専門副部長 (50339727)
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| Project Period (FY) |
2020-04-01 – 2024-03-31
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| Keywords | 日常生活歩行速度 / フレイル |
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| Outline of Final Research Achievements |
This study aimed to define the measurement of daily life walking speed (DWS) for long-term health monitoring, based on analyses of daily and seasonal variations in DWS, and to clarify the association between DWS and health outcomes such as frailty. Data were collected and analyzed using a smartphone application that measures DWS via the smartphone’s built-in GPS, in a cohort of community-dwelling older adults and users of a private company's health promotion services. The following findings were obtained: 1) Average value of walking speed measured during daily life can be defined as DWS; 2) DWS can be used for frailty assessment; 3) DWS shows intraday and seasonal variation, and the magnitude of this variation may reflect life style and health status.
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| Free Research Field |
健康科学
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| Academic Significance and Societal Importance of the Research Achievements |
本研究課題によって得られた、日常生活歩行速度の分布と基準値、日常生活歩行速度と実験室歩行速度の比較、日常生活歩行速度の日内変動、季節変動、フレイル高齢者における日常生活歩行速度は5編の学術論文として国際誌に掲載された。日常生活歩行速度を測定できるスマートフォンアプリは、高齢者の顧客を持つ民間企業の健康増進サービスに既に実装されている。本研究課題の開始以降、日常生活歩行速度を測定できる機器は増えてきており、日常生活歩行速度がライフログの一つとして認識されつつあることに、本研究課題は一定の寄与をした。
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