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Determinants of quality of life in patients with fibromyalgia: A structural equation modeling approach

Title
Determinants of quality of life in patients with fibromyalgia: A structural equation modeling approach
Author
이혜순
Keywords
SELF-EFFICACY; RHEUMATOID-ARTHRITIS; HEALTH-STATUS; GENERAL-POPULATION; KOREAN VERSION; ANXIETY; WOMEN; IMPACT; SF-36; CLASSIFICATION
Issue Date
2017-02
Publisher
PUBLIC LIBRARY SCIENCE
Citation
PLOS ONE, v. 12, no. 2, Article no. e0171186
Abstract
ObjectiveHealth-related quality of life (HRQOL) in patients with fibromyalgia (FM) is lower than in patients with other chronic diseases and the general population. Although various factors affect HRQOL, no study has examined a structural equation model of HRQOL as an outcome variable in FM patients. The present study assessed relationships among physical function, social factors, psychological factors, and HRQOL, and the effects of these variables on HRQOL in a hypothesized model using structural equation modeling (SEM).MethodsHRQOL was measured using SF-36, and the Fibromyalgia Impact Questionnaire (FIQ) was used to assess physical dysfunction. Social and psychological statuses were assessed using the Beck Depression Inventory (BDI), the State-Trait Anxiety Inventory (STAI), the Arthritis Self-Efficacy Scale (ASES), and the Social Support Scale. SEM analysis was used to test the structural relationships of the model using the AMOS software.ResultsOf the 336 patients, 301 (89.6%) were women with an average age of 47.9 +/- 10.9 years. The SEM results supported the hypothesized structural model (chi 2 = 2.336, df = 3, p = 0.506). Tfhe final model showed that Physical Component Summary (PCS) was directly related to self-efficacy and inversely related to FIQ, and that Mental Component Summary (MCS) was inversely related to FIQ, BDI, and STAI.ConclusionsIn our model of FM patients, HRQOL was affected by physical, social, and psychological variables. In these patients, higher levels of physical function and self-efficacy can improve the PCS of HRQOL, while physical function, depression, and anxiety negatively affect the MCS of HRQOL.
URI
https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0171186https://repository.hanyang.ac.kr/handle/20.500.11754/112829
ISSN
1932-6203
DOI
10.1371/journal.pone.0171186
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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