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  • Title: Validity and Reliability of Turkish Version of Reaction Type Scale Against COPD.
    Author: Gürhan N, Aydoğan Eroğlu S, Polat Ü, Kaya E, Köktürk N, Şirin B, Günen H.
    Journal: Turk Thorac J; 2021 Sep; 22(5):386-392. PubMed ID: 35110212.
    Abstract:
    OBJECTIVE: The aim of the study is to develop a scale that could assess illness perception and reaction in patients with chronic obstructive pulmonary disease (COPD). MATERIAL AND METHODS: The study was conducted in patients who were admitted in the pulmonary disease departments of a public and a private hospital. The study included 271 COPD patients. The COPD Perception and Reaction Scale, consisting of 54 items, was prepared as a Likert-type 5-point rating scale. In the validity phase of the study, expert judgments were obtained for content validity, and explanatory and confirmatory factor analyses (EFA and CFA) were then performed. The reliability of the scale in terms of internal consistency was tested with the Cronbach's alpha coefficient. RESULTS: According to the results of the EFA, the COPD Perception and Reaction Scale consists of 3 subdimensions and 23 items. Factors are termed behavioral reaction, emotional reaction, and spiritual reaction. According to the CFA, the goodness-of-fit indices obtained (χ2/df = (676.47/227) 2.98 and RMSEA = 0.056, NFI = 0.80, CFI = 0.96, NFI = 0.91, and AGFI = 0.85) suggest that the recommended model for the scale is acceptable. The Cronbach's alpha coefficient was 0.74; Cronbach's alpha values for the subdimensions were calculated as 0.87 for "emotional reaction," 0.76 for "behavioral reaction," and 0.79 for "spiritual reaction." CONCLUSION: The 23-item form of the COPD Illness Perception and Reaction Scale was demonstrated to be a valid and reliable scale for determining the perception and the reaction toward illness in COPD patients in Turkey.
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