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Perceived Level of Life Enjoyment and Risk of Developing Disabling Dementia: The Japan Public Health Center–Based Study

Author

Listed:
  • Tomokazu Tajima
  • Ai Ikeda
  • Takeshi Tanigawa
  • Hiroyasu Iso
  • Kazumasa Yamagishi
  • Takumi Matsumura
  • Nobufumi Yasuda
  • Manami Inoue
  • Shoichiro Tsugane
  • Norie Sawada
  • Alyssa Gamaldo

Abstract

ObjectivesLife enjoyment, linked to the ability to engage pleasurably with one’s environment, may be related to the risk of developing dementia. This prospective cohort study examined the association between level of life enjoyment and disabling dementia incidence among Japanese community residents.MethodsThe participants were Japanese, aged 45–74 years old at 5-years follow-up, in the Japan Public Health Center–based Study (N = 38,660). Psychological conditions and other confounding variables were identified through self-administered questionnaires. Incident disabling dementia registered based on the Japan’s Long-Term Care Insurance system from 2006 to 2016. Hazard ratios [95% confidence intervals] were assessed using Cox proportional hazards models.ResultsOver a median follow-up period of 9.4 years, a total of 4,642 cases of disabling dementia developed. Level of life enjoyment was inversely associated with the risk of disabling dementia: the multivariable hazard ratios were 0.75 [0.67–0.84] (p

Suggested Citation

  • Tomokazu Tajima & Ai Ikeda & Takeshi Tanigawa & Hiroyasu Iso & Kazumasa Yamagishi & Takumi Matsumura & Nobufumi Yasuda & Manami Inoue & Shoichiro Tsugane & Norie Sawada & Alyssa Gamaldo, 2023. "Perceived Level of Life Enjoyment and Risk of Developing Disabling Dementia: The Japan Public Health Center–Based Study," The Journals of Gerontology: Series B, The Gerontological Society of America, vol. 78(12), pages 2001-2008.
    • Handle: RePEc:oup:geronb:v:78:y:2023:i:12:p:2001-2008.
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