Study on process of driving cessation and impact on health of older adults

2021 Fiscal Year Final Research Report

• Project/Area Number: 19K10641
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Review Section: Basic Section 58030:Hygiene and public health-related: excluding laboratory approach
• Research Institution: University of Yamanashi
• Principal Investigator: Hirai Hiroshi 山梨大学, 大学院総合研究部, 准教授 (20387749)
• Project Period (FY): 2019-04-01 – 2022-03-31
• Keywords: 高齢者 / 運転 / 介護予防 / 公共交通 / 買い物環境 / 活動性

Outline of Final Research Achievements

This study revealed that: (1) After controlling for covariates and control variables, Driving cessation is associated with an increased risk of functional limitations among older adults. (2) Shopping environment and use of public transportation and bicycle were related to activity of older adults who voluntarily surrendered their driver's license. (3) Cumulative LTCI costs significantly decrease with activity after adjustment for baseline covariates, including physical function and depression.

Free Research Field

社会疫学，地域計画学

Academic Significance and Societal Importance of the Research Achievements

本研究の結果から，運転停止は高齢者の活動性低下のリスクを高めると考えられるが，公共交通等の環境要因により活動性の低下を抑制できる可能性があることが示された．活動性と介護費用の関連が明らかになったことで，高齢者の活動性維持のための公共交通の整備等への政策を抑制できる介護費用によって評価することが可能になった．