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Open Access 01-12-2022 | Knee Osteoarthritis | Research

Mediating effect of self-efficacy on the relationship between social support and self-management behaviors among patients with knee osteoarthritis: a cross-sectional study

Authors: Yi-Yi Chen, Li-Chueh Weng, Yang-Tzu Li, Hsiu-Li Huang

Published in: BMC Geriatrics | Issue 1/2022

Abstract

Background

Good self-management behaviors in patients with knee osteoarthritis can improve disease awareness, treatment effectiveness, quality of life, and reduce medical costs. However, there is a paucity of studies focusing on patients with knee osteoarthritis. Therefore, the purpose of this study was to explore the mediating effect of self-efficacy on aspects of social support and self-management behaviors in this population.

Methods

This study employed a cross-sectional design and convenience sampling to survey patients with knee osteoarthritis in an outpatient department of a regional hospital in northern Taiwan from February 22, 2021, to April 15, 2021. The inclusion criteria for patients were (1) those diagnosed by a physician with knee osteoarthritis and (2) who could communicate in Chinese or Taiwanese. Participants were asked to complete a demographic questionnaire, the Arthritis Self-Efficacy Scale (ASE), the Inventory of Socially Supportive Behavior (including enacted support and perceived social support), and the Arthritis Self-Management Assessment Tool (ASMAT). In addition, the Kellgren-Lawrence Grading Scale was obtained from a chart review. Data were analyzed with descriptive statistics, t-test, one-way analysis of variance, Pearson product-moment correlation, and mediation analysis.

Results

A total of 140 patients met the inclusion criteria. The mean age of participants was 70.21 ± 10.84years; most (73.6%) were female. The mean total score of the ASMAT was 64.27 ± 14.84. Scores for the ASE, enacted support, and perceived social support were significantly positively correlated with ASMAT (all p < .001). The standardized coefficient for total effect and direct effect of perceived social support on ASMAT was 0.899 (p < .001) and 0.754 (p < .05), respectively. After introducing the ASE into the model, the indirect effect was 0.145 (p < .05), which indicated that ASE had a partial mediating effect on the relationship between perceived social support and ASMAT.

Conclusion

Our findings might suggest that perceived social support indirectly affected ASMAT through ASE. Therefore, interventions designed to increase self-efficacy and social support could enhance self-management behaviors for patients with knee osteoarthritis.

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Title: Mediating effect of self-efficacy on the relationship between social support and self-management behaviors among patients with knee osteoarthritis: a cross-sectional study
Authors: Yi-Yi Chen
Li-Chueh Weng
Yang-Tzu Li
Hsiu-Li Huang
Publication date: 01-12-2022
Publisher: BioMed Central
Keywords: Knee Osteoarthritis
Arthritis
Knee Osteoarthritis
Published in: BMC Geriatrics / Issue 1/2022
Electronic ISSN: 1471-2318
DOI: https://doi.org/10.1186/s12877-022-03331-w

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