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Sustained social participation and dementia: evidence from a Japanese longitudinal cohort study with a time-varying exposure analysis

Author

Listed:
  • Matsuyama, Yusuke
  • Shirai, Kokoro
  • Aida, Jun

Abstract

Social participation is linked to a reduced risk of cognitive impairment and dementia. However, few studies have considered the bidirectional relationship between social participation and cognitive decline over time. We aimed to estimate the effect of sustained social participation on dementia risk reduction among older Japanese adults, accounting for the bias induced by the bidirectional relationship.

Suggested Citation

  • Matsuyama, Yusuke & Shirai, Kokoro & Aida, Jun, 2025. "Sustained social participation and dementia: evidence from a Japanese longitudinal cohort study with a time-varying exposure analysis," Social Science & Medicine, Elsevier, vol. 385(C).
  • Handle: RePEc:eee:socmed:v:385:y:2025:i:c:s0277953625009396
    DOI: 10.1016/j.socscimed.2025.118608
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    References listed on IDEAS

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    1. Zi Zhou & Lun Cai & Jian Fu & Yaofeng Han & Ya Fang, 2020. "Hypothetical Interventions on Risk Factors for Cognitive Impairment among Chinese Older Adults: An Application of the Parametric G-Formula," IJERPH, MDPI, vol. 17(3), pages 1-11, February.
    2. Daniel Eriksson Sörman & Anna Sundström & Michael Rönnlund & Rolf Adolfsson & Lars-Göran Nilsson, 2014. "Editor's choice Leisure Activity in Old Age and Risk of Dementia: A 15-Year Prospective Study," The Journals of Gerontology: Series B, The Gerontological Society of America, vol. 69(4), pages 493-501.
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