Predictors of older adults’ objectively measured social isolation: A systematic review of observational studies

Manami Ejiri, Hisashi Kawai, Kaori Ishii, Koichiro Oka, Shuichi Obuchi

研究成果: Review article査読

抄録

Background:: Preventing social isolation is essential for promoting healthy aging. This study aims to 1) systematically review and synthesize the predictors of objectively measured social isolation from observational studies that have treated isolation as an outcome in community-dwelling older adults, and 2) overview previous studies in this area and reveal an agenda to develop future research. Methods:: Peer-reviewed primary studies published in English or Japanese were identified from PubMed, ScienceDirect, PsycINFO, Igaku-Chuo-Zasshi, and CiNii. We followed the PRISMA statement. Risk of bias of included studies was assessed using the Newcastle-Ottawa Scale. Results:: Of the 1,161 studies identified, 10 were included in the review. Most studies were cross-sectional and published in the past 20 years. The risk of bias score ranged from 3 to 6 for the individual studies, indicating a moderate to high risk. The assessment measures for social isolation and proportion of isolated subjects varied greatly across studies. Findings on the predictors of social isolation from each study were clustered into four categories: socio-demographic factors, physical health factors, psychological and cognitive factors, and social and cultural factors. Conclusions:: It was difficult to confirm these predictors conclusively because of the cross-sectional study design and a huge variety of assessment tools for social isolation. This result suggests the need to build consensus on the appropriate scales and standard cut-off points for assessing social isolation. Furthermore, longitudinal studies are urgently required. When considering predictors of social isolation, it is also essential to consider the regional and ethnic background of the samples studied.

本文言語English
論文番号104357
ジャーナルArchives of Gerontology and Geriatrics
94
DOI
出版ステータスPublished - 2021 5 1

ASJC Scopus subject areas

  • Health(social science)
  • Ageing
  • Gerontology
  • Geriatrics and Gerontology

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