Observational studyThe journals of gerontology. Series A, Biological sciences and medical sciences2024
Social Isolation and Hospitalization in Community-Dwelling Older Adults by Dementia Status.
Observational study in The journals of gerontology. Series A, Biological sciences and medical sciences, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Associations of social isolation and loneliness with healthcare utilization among older adults: a systematic review and meta-analysis.Innovation in aging · 2026Review
- Off the Grid: Reaching the Most Socially Isolated Among Us.Journal of the American Geriatrics Society · 2025Article
- Together, but Isolated: A Dyadic Study of Social Isolation in Older Adults and Caregivers.Journal of aging and health · 2025Article
- Social Isolation, Loneliness, and Cognitive Health.Clinics in geriatric medicine · 2025Review
- Leveraging human-centered design to advance social connection for older adults living in subsidized housing.Annals of the New York Academy of Sciences · 2025Article
- The Epidemiology of Social Isolation and Loneliness Among Family and Unpaid Caregivers of Older Adults: Findings From the National Study of Caregiving.The journals of gerontology. Series B, Psychological sciences and social sciences · 2025Article
- Loneliness and social isolation risk factors in community-dwelling older adults receiving home health services.BMC geriatrics · 2025Article
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Authors and funding
6 authors.
Funding
Abstract
backgroundSocial isolation is a well-known risk factor for poor health outcomes, including incident dementia, yet its associations with outcomes among persons living with dementia are understudied. We examined the association between social isolation and hospitalization among a nationally representative sample of older adults with and without dementia.
methodsThis observational cohort study included 5 533 community-dwelling Medicare beneficiaries from the 2015 and 2016 National Health and Aging Trends Study (NHATS). Using multivariable logistic regression analyses, we examined associations between social isolation and hospitalization in the following year, examining differences by dementia status. Social isolation was measured using a 4-item typology. Dementia was identified using a prespecified classification in NHATS.
results20.7% of older adults were socially isolated. Social isolation was more prevalent among persons with dementia (35.4%) than among those without dementia (19.0%) (p < .001). Among persons with dementia, social isolation was associated with 1.68 greater odds of hospitalization (confidence interval [CI]: 1.23-2.28), translating into a 9% average increase in the predicted probability of hospitalization for persons with dementia who were socially isolated compared to those who were not (p = .001). In the combined sample that included persons with and without dementia, there was a significant moderation effect of dementia on the association between social isolation and hospitalization (odds ratio: 1.70; CI: 1.19-2.43).
conclusionsFor persons with dementia, social isolation is prevalent and associated with greater odds of subsequent hospitalization. Efforts to reduce acute healthcare utilization should explore ways to bolster social connection to improve health outcomes among persons with dementia.
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