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BMC Geriatrics

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Open Access 01-12-2023 | Research

Leveraging network analysis to determine sex differences in factors associated with frailty among older adults living alone

Authors: Chiyoung Lee, Yeon-Hwan Park, Belong Cho

Published in: BMC Geriatrics | Issue 1/2023

Abstract

Background

Frailty is a complex geriatric syndrome typically characterized by multiple underlying etiological factors. We determined the contributing factors, by sex, using a network analysis.

Methods

The study sample consisted of a cross-sectional cohort of community-dwelling older adults aged ≥ 65 years living alone in a Korean city (N = 1,037). Frailty was assessed via the Korean Frailty Index. Participants were assessed for sociodemographic, health-related, mental and cognitive, and social characteristics. Mixed graphical models including all variables were estimated using the R-package mgm discretely by sex. We also used the Walktrap cluster algorithm to identify differences in the network structure in terms of connectivity around frailty between the sex groups for further insights.

Results

In both the networks for males and females, frailty correlated most strongly with nutritional status, presence of complex chronic disease, and self-efficacy, and exhibited proximity to decreased sleep quality and loneliness. However, frailty showed an association with suicidal ideation and the number of falls per year only in males, whereas it showed an association with functional disabilities only in females. The overall network connectivity around frailty was stronger with dense interactions (more edges) in the network for females than for males.

Conclusions

The results signify the need for sex-group customized multi-domain assessments and interventions for the prevention and improvement of frailty among community-dwelling older adults.

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Title: Leveraging network analysis to determine sex differences in factors associated with frailty among older adults living alone
Authors: Chiyoung Lee
Yeon-Hwan Park
Belong Cho
Publication date: 01-12-2023
Publisher: BioMed Central
Published in: BMC Geriatrics / Issue 1/2023
Electronic ISSN: 1471-2318
DOI: https://doi.org/10.1186/s12877-023-03755-y

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