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Linking chronic diseases, cognitive impairment and depressive symptoms in Chinese older adults: A three-wave

Chaoxin Jiang1, Chong Hu2, Dandan Li2

  • 1Department of Social Welfare and Risk Management, School of Public Affairs, Zhejiang University, Hangzhou, Zhejiang, China.

Journal of Affective Disorders
|January 9, 2023
PubMed

Insights

Chronic diseases negatively impact older adults

Area of Science:

  • Gerontology
  • Public Health
  • Psychiatry

Background:

  • Chronic diseases are established risk factors for psychological health in older adults.
  • The mediating mechanisms linking chronic diseases to psychological distress remain underexplored.
  • The influence of China's Hukou system on this relationship requires further investigation.

Purpose of the Study:

  • To investigate the mediating role of cognitive impairment in the association between chronic diseases and depressive symptoms.
  • To examine the moderating effect of the Hukou system on the relationship between chronic diseases and depressive symptoms in Chinese older adults.

Main Methods:

  • Utilized data from the China Longitudinal Aging Social Survey (CLASS) 2014, 2016, and 2018.
  • Employed fixed-effect panel models to analyze the effects of chronic diseases on depressive symptoms.
  • Assessed the mediating role of cognitive impairment and the interaction effect of Hukou status.

Main Results:

  • Confirmed a significant association between chronic diseases and depressive symptoms in Chinese older adults.
  • Cognitive impairment significantly mediates the relationship between chronic diseases and depressive symptoms.
  • No significant urban-rural disparities were found in the effect of chronic diseases on depressive symptoms.

Conclusions:

  • Cognitive impairment is a key mediator linking chronic diseases to depression in older Chinese adults.
  • The Hukou system does not appear to create urban-rural disparities in this specific association.
  • Findings offer insights for policy development and intervention strategies targeting psychological well-being in aging populations.
Abstract

Keywords:
Chronic diseasesCognitive impairmentDepressive symptomsOlder adults

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