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Living alone and cognitive function in later life.

Isobel E M Evans1, David J Llewellyn2, Fiona E Matthews3

  • 1Centre for Research in Ageing and Cognitive Health, School of Psychology, University of Exeter, UK.

Archives of Gerontology and Geriatrics
|January 18, 2019
PubMed
Summary

Living alone in older adults does not increase the risk of cognitive decline. While some may experience more emotional loneliness, they are not at higher risk for poor cognitive function.

Keywords:
AgeingCognitionLonelinessSocial activitySocial isolationSocial network

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Area of Science:

  • Gerontology
  • Cognitive Science
  • Sociology

Background:

  • Living alone is a growing demographic trend among older adults.
  • Social isolation and loneliness are known risk factors for cognitive decline in later life.
  • The potential impact of living alone on cognitive function requires further investigation.

Purpose of the Study:

  • To investigate if older adults living alone face increased risks of social isolation, loneliness, and reduced social activity.
  • To examine the association between living alone and cognitive function in later life.

Main Methods:

  • Utilized baseline and two-year follow-up data from the CFAS-Wales study (N=2197 at baseline, N=1498 at follow-up).
  • Included community-dwelling participants aged 65 years and older, free from cognitive impairment or depression at baseline.
  • Employed linear regression analyses to assess the relationship between living arrangements and cognitive function.

Main Results:

  • Individuals living alone reported greater family isolation and emotional loneliness compared to those living with others.
  • No significant differences were found in friend isolation or social loneliness.
  • People living alone were more likely to engage in regular social activities.
  • Living alone was not associated with poorer cognitive function at baseline or during the two-year follow-up.

Conclusions:

  • Living alone in later life is not linked to an increased risk of cognitive decline.
  • Findings suggest that social isolation, rather than living alone per se, may be more strongly associated with cognitive impairment.
  • Positive implications for older adults living alone, indicating no inherent cognitive disadvantage.