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Updated: Jul 31, 2025

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Physical Mobility, Social Isolation and Cognitive Function: Are There Really Gender Differences?

Dan Zhao1, Shujun Chai1, Tingting Gao1

  • 1Centre for Health Management and Policy Research, School of Public Health, Cheeloo College of Medicine (DZ, SC, TG, JL, CZ), Shandong University, Jinan, China.

The American Journal of Geriatric Psychiatry : Official Journal of the American Association for Geriatric Psychiatry
|May 5, 2023
PubMed
Summary
This summary is machine-generated.

Social isolation mediates the link between physical mobility and cognitive function in Chinese older adults. Interventions to reduce social isolation can help prevent cognitive decline and promote healthy aging.

Keywords:
Physical mobilitycognitive functiongender-specificsocial isolation

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Area of Science:

  • Gerontology
  • Public Health
  • Cognitive Science

Background:

  • Physical mobility limitations are common in older adults and can impact cognitive function.
  • Social isolation is a growing concern among aging populations worldwide.
  • Understanding the interplay between mobility, social isolation, and cognition is crucial for developing effective interventions.

Purpose of the Study:

  • To investigate the mediating role of social isolation in the relationship between physical mobility and cognitive function.
  • To determine if gender influences the mediating effects of social isolation on physical mobility and cognitive function among Chinese older adults.

Main Methods:

  • Prospective cohort study using data from the China Health and Retirement Longitudinal Study (2011, 2015, 2018).
  • Inclusion of 3,395 participants aged 60 years and above.
  • Cross-lagged panel model employed to analyze the associations between physical mobility, social isolation, and cognitive function (assessed via Telephone Interview of Cognitive Status, word recall, and figure drawing).

Main Results:

  • Physical mobility limitations at Time 1 were significantly associated with lower cognitive function at Time 3.
  • Social isolation significantly mediated the relationship between physical mobility limitations and cognitive function in both males and females.
  • The mediating effect of social isolation was found to be non-gender-specific.

Conclusions:

  • Social isolation acts as a significant mediator between physical mobility and cognitive function in Chinese older adults.
  • Interventions aimed at reducing social isolation are recommended for preventing cognitive decline and promoting successful aging, especially in individuals with mobility impairments.
  • Findings highlight the importance of addressing social isolation as a modifiable risk factor for cognitive health in aging populations.