Physiotherapy theory and practice · 2021
Reliability of the Swedish version of the multidimensional outcome expectations for exercise scale (MOEES-SW) in a cardiac population.
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Urell Charlotte, Hellström Karin, Johansson Henrik, Breidenskog Marie, Hagström Emil, Bring Annika
Аннотация
PURPOSE: Translate and adapt the Multidimensional Outcome Expectations for Exercise Scale (MOEES) into Swedish language and to explore psychometric properties, in terms of test-retest reliability, internal consistency as well as factor structure and floor and ceiling effects, of the Swedish version of MOEES in cardiac patients.
MATERIALS AND METHODS: This prospective psychometrical study set in a Swedish cardiac rehabilitation outpatient clinic included 74 patients; age 318 years after acute coronary syndrome or that had undergone cardiac surgery. Translation and adaptation procedure of the MOEES followed established international guidelines. To evaluate test-retest reliability, relative (intra-class correlation coefficient ICC, 2.1)and absolute reliability (standard error of measurement (SEM) standard error of measurement % (SEM%), percentage of absolute agreement and Kappa coefficient for each item were calculated. Internal consistency was assessed with Cronbach´s alpha. The original 3-factor structure was tested with a confirmatory factor analysis. Floor and ceiling effects were calculated.
RESULTS: In total, 60 patients, mean age 65 years, were included in the study. The test-retest showed for the three outcome expectations subscales (Physical, Self-evaluative and Social) ICC-values of 0.40 (CI 95% 0.20-0.58), 0.57 (0.39-0.71) and 0.72 (0.57-0.83), respectively. In general, the Kappa coefficients were low and varied between 0.11 and 0.44. Two questions had low loadings in the confirmatory factor analysis (<0.5) , contributing to a weak fit of the model. There was no floor effect, but the subscales physical and self-evaluative outcome expectation showed ceiling effects.
CONCLUSION: This is the first study to analyse test-retest reliability of the translated version of MOEES into Swedish in cardiac patients and shows need for further development of the instrument before use in clinical practice and research.
MATERIALS AND METHODS: This prospective psychometrical study set in a Swedish cardiac rehabilitation outpatient clinic included 74 patients; age 318 years after acute coronary syndrome or that had undergone cardiac surgery. Translation and adaptation procedure of the MOEES followed established international guidelines. To evaluate test-retest reliability, relative (intra-class correlation coefficient ICC, 2.1)and absolute reliability (standard error of measurement (SEM) standard error of measurement % (SEM%), percentage of absolute agreement and Kappa coefficient for each item were calculated. Internal consistency was assessed with Cronbach´s alpha. The original 3-factor structure was tested with a confirmatory factor analysis. Floor and ceiling effects were calculated.
RESULTS: In total, 60 patients, mean age 65 years, were included in the study. The test-retest showed for the three outcome expectations subscales (Physical, Self-evaluative and Social) ICC-values of 0.40 (CI 95% 0.20-0.58), 0.57 (0.39-0.71) and 0.72 (0.57-0.83), respectively. In general, the Kappa coefficients were low and varied between 0.11 and 0.44. Two questions had low loadings in the confirmatory factor analysis (<0.5) , contributing to a weak fit of the model. There was no floor effect, but the subscales physical and self-evaluative outcome expectation showed ceiling effects.
CONCLUSION: This is the first study to analyse test-retest reliability of the translated version of MOEES into Swedish in cardiac patients and shows need for further development of the instrument before use in clinical practice and research.