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. 2024 Sep 16;24(1):2515.
doi: 10.1186/s12889-024-19850-7.

Social isolation and loneliness among people living with experience of homelessness: a scoping review

James Lachaud  1   2 , Ayan A Yusuf  3 , Faith Maelzer  3   4 , Melissa Perri  3   5 , Evie Gogosis  3 , Carolyn Ziegler  6 , Cilia Mejia-Lancheros  3   7 , Stephen W Hwang  3   5   8
Affiliations

Social isolation and loneliness among people living with experience of homelessness: a scoping review

James Lachaud et al. BMC Public Health. .

Abstract

Social isolation and loneliness (SIL) are public health challenges that disproportionally affect individuals who experience structural and socio-economic exclusion. The social and health outcomes of SIL for people with experiences of being unhoused have largely remained unexplored. Yet, there is limited synthesis of literature focused on SIL to appropriately inform policy and targeted social interventions for people with homelessness experience. The aim of this scoping review is to synthesize evidence on SIL among people with lived experience of homelessness and explore how it negatively impacts their wellbeing. We carried out a comprehensive literature search from Medline, Embase, Cochrane Library, PsycINFO, CINAHL, Sociological Abstracts, and Web of Science's Social Sciences Citation Index and Science Citation Index for peer-reviewed studies published between January 1st, 2000 to January 3rd, 2023. Studies went through title, abstract and full-text screening conducted independently by at least two reviewers. Included studies were then analyzed and synthesized to identify the conceptualizations of SIL, measurement tools and approaches, prevalence characterization, and relationship with social and health outcomes. The literature search yielded 5,294 papers after removing duplicate records. Following screening, we retained 27 qualitative studies, 23 quantitative studies and two mixed method studies. SIL was not the primary objective of most of the included articles. The prevalence of SIL among people with homelessness experience varied from 25 to 90% across studies. A range of measurement tools were used to measure SIL making it difficult to compare results across studies. Though the studies reported associations between SIL, health, wellbeing, and substance use, we found substantial gaps in the literature. Most of the quantitative studies were cross-sectional, and only one study used health administrative data to ascertain health outcomes. More studies are needed to better understand SIL among this population and to build evidence for actionable strategies and policies to address its social and health impacts.

Keywords: Health; Homelessness; Scoping review; Social isolation and loneliness; Supportive housing.

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Conflict of interest statement

The authors declare no competing interests.

Figures

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PRISMA flow diagram
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