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Clinical Manifestations.

Xiaoyan Pan1, Caishui Yang1

  • 1Beijing Normal University, Beijing, Beijing, China.

Alzheimer'S & Dementia : the Journal of the Alzheimer'S Association
|December 24, 2025
PubMed
Summary
This summary is machine-generated.

Loneliness, both subjective and objective, significantly predicts depressive symptoms in the elderly. Self-efficacy plays a crucial role, acting as both a mediator and moderator, highlighting the need for targeted interventions for older adults experiencing loneliness.

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Area of Science:

  • Gerontology
  • Psychiatry
  • Social Science

Background:

  • Depressive symptoms are prevalent in old age, often impairing cognitive function.
  • Loneliness and social isolation are key modifiable risk factors for worsening depression in the elderly.
  • Limited research integrates subjective and objective loneliness, exploring their combined impact on depression and the role of psycho-motivation.

Purpose of the Study:

  • To investigate the predictive roles of subjective and objective loneliness on depressive symptoms in the elderly.
  • To analyze the mediating and moderating effects of self-efficacy on the relationship between loneliness and depression.
  • To provide a basis for integrated interventions addressing loneliness and depression in older adults.

Main Methods:

  • Utilized data from 4295 Chinese elderly participants in the Beijing Aging Brain Renaissance Program (BABRI).
  • Employed stratified binary logistic regression to assess the risk of subjective and objective loneliness on depressive symptoms.
  • Applied mediation and moderation analysis using the UCLA Loneliness Scale, Social Isolation Index, and Generalized Self-Efficacy Scales (GSES).

Main Results:

  • Both subjective and objective loneliness independently predicted depressive symptoms in the elderly (p < 0.001).
  • Higher social isolation amplified the risk of depression associated with subjective loneliness.
  • Self-efficacy significantly mediated and moderated the relationship between loneliness (both types) and depressive symptoms, with notable indirect effects.

Conclusions:

  • Subjective (emotional) and objective (behavioral) loneliness dimensions predict depressive symptoms in the elderly.
  • Self-efficacy is a critical mediating and moderating factor in the link between loneliness and depression.
  • Findings underscore the necessity for targeted interventions addressing diverse forms of loneliness in elderly populations to prevent clinical depression.