Key result
EQ-5D-5L scale demonstrates good reliability and validity for measuring HRQoL yielding an alpha of ~0.86.
Why the study?
The reliability and validity of the EQ-5D-5L scale had not been evaluated in the population of southwest China.
Cross-Sectional
Effect estimate: Cronbach's α 0.857
The EQ-5D-5L scale is a reliable and valid tool for measuring health-related quality of life in residents of Southwest China.
May support EQ-5D-5L use in Southwest China; extends validation data but leaves broader applicability open.
OBJECTIVE: To explore the reliability and validity of the EQ-5D-5L scale in the population of southwest China. METHODS: test and analysis of variance. RESULTS: Cronbach's α coefficient was 0.857. Exploratory factor analysis extracts two common factors whose cumulative contribution rate is 77.311%. The first common factor represents mobility, self-care and uaual activities. The second common factor represents pain/discomfort and anxiety/depression. The results of confirmatory factor analysis showed that the correlation of the two common factors was 0.659, the average variance of the first common factor was 0.862 and the combination reliability was 0.949, and the average variance extracted of the second common factor was 0.587 and the composite reliability was 0.739. The factor loadings for mobility, self-care and uaual activities on the first common factor were 0.871, 0.945 and 0.967, respectively. The loadings for pain/discomfort and anxiety/depression on the second common factor were 0.708 and 0.820, respectively. CONCLUSION: EQ-5D-5L has good reliability and validity when it is applied to the measurement of healthy life quality of residents in Southwest China.
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Xia et al. (2020) conducted a cross-sectional in Healthy life quality. EQ-5D-5L scale was evaluated on Reliability and validity (Cronbach's α 0.857). The EQ-5D-5L scale demonstrated good reliability and validity for measuring health-related quality of life among residents in Southwest China, with a Cronbach's α coefficient of 0.857.
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