Research field (4):
Civil engineering (planning and transportation)
, Hygiene and public health (non-laboratory)
, Social welfare
, Rural environmental engineering and planning
Research theme for competitive and other funds (14):
2023 - 2027 Empirical and implementation research concerning various population interventions to prevent and reduce social isolation among older adults
2022 - 2027 コロナ禍における高齢者の生活機能に着目した認知症予防に向けた縦断研究
2019 - 2022 Study on process of driving cessation and impact on health of older adults
2018 - 2022 Research on elucidating psychosocial pathways for prevention of dementia through social participation support
2018 - 2022 Epidemiological Study on the Impact of Compact Cities on Health in a Society with Declining Population
2016 - 2019 Longitudinal Study on Effects of Shopping Environment on Activity and Health of Older People
2011 - 2016 Evaluation of Effects of Salons and Community Bus on Activity and Health of the Elderly
2010 - 2015 Longitudinal study for social welfare to prevent dementia with a psychosocial focus
2011 - 2014 Research on the Effectiveness and Limitation of Social Capital for the Vitalization of Rural Areas
2011 - 2014 The Development and Examination of Comprehensive Preventative Care Programs for High-Risk elderly people of Preventative Care
2009 - 2011 Longitudinal study on factors associated with delayed care among the old
2006 - 2009 Social Epidemiology Study for healthy aging-A large scale cohort study.
2007 - 2008 Health care seeking behaviors among elderly : Japan-US Comparative Study
2005 - 2007 GIS(地理情報システム)を用いた高齢者の「閉じこもり」発生要因の研究
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Papers (72):
Hiroshi Hirai, Masashige Saito, Tokunori Takeda, Katsunori Kondo. Examination of the relationship between participation in salons aimed at care prevention through the promotion of social participation and the subsequent cost of care: A 3-year prospective follow-up study in JAGES. Archives of gerontology and geriatrics. 2025. 129. 105688-105688
Masayo Yano, Masao Ichikawa, Hiroshi Hirai, Tomoki Ikai, Naoki Kondo, Daisuke Takagi. Neighbourhood transportation, elapsed years, and well-being after surrendering the driver's licence in older Japanese adults: The JAGES longitudinal study. Archives of gerontology and geriatrics. 2022. 107. 104898-104898
HIRAI Hiroshi, KONDO Katsunori. Differences in risk of requiring care between screening using queries with and without definitions when determining frequency of going out. Nihon Koshu Eisei Zasshi(JAPANESE JOURNAL OF PUBLIC HEALTH). 2022. 69. 7. 505-516
Changes in prevalence of frail elderly people enrolled the revision of the Japanese social long-term care insurance system : multiple municipalities data : JAGES cross-sectional study. 2020. 15. 5. 382-388