Combined Impact of Physical Frailty and Social Isolation on Rate of Falls in Older Adults

T. Hayashi, Hiroyuki Umegaki, T. Makino, C. H. Huang, A. Inoue, H. Shimada, M. Kuzuya

研究成果: Article査読

12 被引用数 (Scopus)


Objectives: The aim of this study was to examine the impact of the combination of physical frailty and social isolation on falling in community-dwelling older adults. Design: A cross-sectional study of data obtained at registration in a randomized control trial. Setting: Community-based study of participants recruited from Toyota, Japan. Participants: 380 community-dwelling older adults (47.9% women, mean age = 72.3 ± 4.6 years). Measurements: Participants were categorized as non-frail or pre-frail/frail based on the Fried frailty criteria (slowness, weakness, exhaustion, low activity, and weight loss). Social isolation was examined using the Lubben Social Network Scale (LSNS-6), and scores lower than 12 points indicated social isolation. Participants were divided into four groups depending on pre-frail/frail status and social isolation, and experiences of multiple falls over the past year were compared between the groups. Results: Participants were classified into robust (n = 193), physical frailty (PF; n = 108), social isolation (SI; n = 43), and PF with SI (PF+SI; n = 36) groups. A total of 38 (10.0%) participants reported multiple falls. Logistic regression analysis showed that PF and SI groups were not independently associated with falling (PF: OR 1.64, 95% CI 0.65–4.16, SI: OR 2.25, 95% CI 0.77–6.58), while PF+SI group was significantly associated with falling compared with the robust group (OR 3.06, 95% CI 1.00–9.34, p = 0.049) after controlling for confounding factors. Conclusion: Our findings support the assertion that coexistence with physical frailty and social isolation were associated with falling in the older adults.

ジャーナルJournal of Nutrition, Health and Aging
出版ステータスPublished - 2020 3月 1

ASJC Scopus subject areas

  • 医学(その他)
  • 栄養および糖尿病
  • 老年医学


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