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. 2024 Sep 10;8(10):igae081.
doi: 10.1093/geroni/igae081. eCollection 2024.

Social Isolation and Healthcare Utilization in Older Adults Living With Dementia and Mild Cognitive Impairment in the United States

Mairead M Bartley  1 , Jennifer L St Sauver  2 , Darrell R Schroeder  3 , Nandita Khera  4 , Joan M Griffin  5   6
Affiliations

Social Isolation and Healthcare Utilization in Older Adults Living With Dementia and Mild Cognitive Impairment in the United States

Mairead M Bartley et al. Innov Aging. .

Abstract

Background and objectives: Social isolation is commonly experienced by older people and is associated with adverse health outcomes. Little is known about the influence of social isolation on the risk of acute care utilization among people living with mild cognitive impairment (MCI) or dementia. Our objective was to investigate the impact of social isolation on the risk of death, hospitalization, and emergency department (ED) use among people living with MCI or dementia who are followed in our Community Internal Medicine practice at Mayo Clinic, Rochester, Minnesota.

Research design and methods: We included people living with MCI or dementia, 55 years and older, who had a clinic visit between June 1, 2019, and June 30, 2021, and who had completed questions about social connections. The risk of death, hospitalization, and ED use was examined by levels of social connection (socially isolated, moderately isolated, moderately integrated, or socially integrated).

Results: Of 2,320 people included (1,010 with MCI and 1,310 with dementia), 455 (19.6%) were classified as socially isolated and 591 (25.5%) were moderately isolated. Compared with those who were socially integrated, people who were socially isolated were at higher risk of death, hospitalization, and ED visits (p < .001).

Discussion and implications: Social isolation is associated with an increased risk of acute health care utilization and death in people living with MCI or dementia. Interventions to address social isolation in this population are needed.

Keywords: Cognitive disorders; Emergency department; Hospitalization; Social connection.

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Conflict of interest statement

None.

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