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Cognitive Function Trajectories and Factors among Chinese Older Adults with Subjective Memory Decline: CHARLS Longitudinal Study Results (2011–2018)

Author

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  • Chifen Ma

    (School of Nursing, Peking University, 38 Xueyuan Road, Haidian District, Beijing 100191, China
    College of Health Services and Management, Xuzhou Kindergarten Teachers College, Xuzhou 221001, China)

  • Mengyuan Li

    (School of Nursing, Peking University, 38 Xueyuan Road, Haidian District, Beijing 100191, China)

  • Chao Wu

    (School of Nursing, Peking University, 38 Xueyuan Road, Haidian District, Beijing 100191, China)

Abstract

Older adults with subjective cognitive decline are at increased risk of future pathological cognitive decline and dementia. Subjective memory decline is an early sign of cognitive decline; preventing or slowing cognitive decline in at-risk populations remains an elusive issue. This study aimed to examine the cognitive trajectories and factors in older adults with subjective memory decline. Latent growth curve models (LGCMs) were fitted to examine the cognitive function trajectories and factors among 1465 older adults (aged 60+ years) with subjective memory decline. Data were obtained from four waves from the China Health and Retirement Longitudinal Study (CHARLS, 2011–2018), which is a large nationally representative sample of the Chinese population. The results showed that older adults with better initial cognition had a slower decline rate, which may be accelerated by advanced age, low-level education, a rapid decrease in instrumental activities of daily living (IADL) ability, and rapid increase in depression levels. This study was the first to examine the trajectories of cognitive function and its factors in a high-risk population with subjective memory decline. These findings may guide prevention approaches to tackle the issues of cognitive function decline and dementia.

Suggested Citation

  • Chifen Ma & Mengyuan Li & Chao Wu, 2022. "Cognitive Function Trajectories and Factors among Chinese Older Adults with Subjective Memory Decline: CHARLS Longitudinal Study Results (2011–2018)," IJERPH, MDPI, vol. 19(24), pages 1-15, December.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:24:p:16707-:d:1001556
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    References listed on IDEAS

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    1. Angela K. Troyer & Jill B. Rich, 2002. "Psychometric Properties of a New Metamemory Questionnaire for Older Adults," The Journals of Gerontology: Series B, The Gerontological Society of America, vol. 57(1), pages 19-27.
    2. Serena Scarpelli & Chiara Bartolacci & Aurora D’Atri & Maurizio Gorgoni & Luigi De Gennaro, 2019. "Mental Sleep Activity and Disturbing Dreams in the Lifespan," IJERPH, MDPI, vol. 16(19), pages 1-23, September.
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