Longitudinal trajectories of physical functioning among Chinese older adults: the role of depressive symptoms, cognitive functioning and subjective memory.

Background and Objective Maintaining physical functioning (i.e. mobility, activities of daily living [ADLs], instrumental activities of daily living [IADLs]) in older adults is essential for independent living. However, little is known about how longitudinal trajectories of physical functioning diff...

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Published in:Age & Ageing Vol. 50; no. 5; pp. 1682 - 1692
Main Authors: Yang, Rumei, Xu, Dongjuan, Wang, Haocen, Xu, Jiayun
Format: Article
Published: Oxford University Press / USA Sep2021
Subjects:
Online Access:View this record in EBSCOhost
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      dt: Sep2021
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      pub: Oxford University Press / USA
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        atl: Longitudinal trajectories of physical functioning among Chinese older adults: the role of depressive symptoms, cognitive functioning and subjective memory.
      aug:
        au:
          Yang, Rumei
          Xu, Dongjuan
          Wang, Haocen
          Xu, Jiayun
        affil:
          Nanjing Medical University School of Nursing , Nanjing, Jiangsu 211166, China
          Purdue University School of Nursing , West Lafayette, IN 47907-2069, USA
          Department of Health and Kinesiology , Texas A&M University, College station, TX 77845, USA
      su:
        Psychology
        Self-evaluation
        Cognition
        Interviewing
        Activities of daily living
        Quality of life
        Mental depression
        Old age
        Chinese people
        Functional status
        Movement disorders
        Comparative studies
        Memory disorders
        Statistical correlation
        Research bias
        Longitudinal method
      sug:
        subj:
          Psychology
          Self-evaluation
          Cognition
          Interviewing
          Activities of daily living
          Quality of life
          Mental depression
          Old age
          Chinese people
          Functional status
          Movement disorders
          Comparative studies
          Memory disorders
          Statistical correlation
          Research bias
          Longitudinal method
      keyword:
        cognition
        functional performance
        longitudinal trajectories
        mental health
        older people
        cognition
        functional performance
        longitudinal trajectories
        mental health
        older people
      ab: Background and Objective Maintaining physical functioning (i.e. mobility, activities of daily living [ADLs], instrumental activities of daily living [IADLs]) in older adults is essential for independent living. However, little is known about how longitudinal trajectories of physical functioning differ by varying levels of depressive symptoms, subjective memory impairment and cognitive functioning. We aimed to examine whether, and to what degree, the rate of change in physical functioning over time was associated with depressive symptoms, subjective memory and cognitive functioning. Design A correlational longitudinal design. Methods The sample included 5,519 older adults (mean age = 68.13 years) from the China Health and Retirement Longitudinal Study (three waves: 2011–15) who self-reported their depressive symptoms, subjective memory impairment and physical functioning. Cognitive functioning was assessed through interview-based tests. Results There were significant increases in mobility impairment (β  = 0.27, P  < 0.001), ADLs impairment (β  = 0.05, P  < 0.001) and IADLs impairment (β  = 0.03, P  = 0.006) over time. Compared with the mean score at baseline in 2011, the mobility, ADLs and IADLs impairment increased by 13.32, 10.57 and 4.34% for every 2 years, respectively. Those with high depressive symptoms had accelerated rates of mobility (β  = 0.212, P  < 0.001), ADLs (β  = 0.104, P  < 0.001) and IADLs impairment (β  = 0.076, P  = 0.002). Those with poorer cognitive functioning had more rapid rates of mobility impairment. In contrast, those with differing levels of subjective memory impairment did not experience different physical functioning trajectories. Conclusions High depressive symptoms and poor cognitive functioning may be precursors to rapid declines in physical functioning. Proactive screening for these precursors may attenuate physical decline among Chinese older adults.
      pubtype: Academic Journal
      doctype: Article
      src: R
    language: English
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