Cardiorespiratory Physiotherapy, Critical Care and Rehabilitation
Cardiorespiratory Physiotherapy, Critical Care and Rehabilitation
Original Research

Translation, cross-cultural adaptation and validation of the Pulmonary Rehabilitation Adapted Index of Self-efficacy (PRAISE) scale for Brazilian patients with chronic obstructive pulmonary disease"

Simone Graciosa Gavenda, Manuela Karloh, Hellen Fontão Alexandre, Thiago Sousa Matias, Anamaria Fleig Mayer

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Background: Patients with Chronic Obstructive Pulmonary Disease (COPD) present a progressive chronic airflow obstruction. Pulmonary Rehabilitation (PR) promotes the reversal of the extrapulmonary effects of the disease and improves the quality of life. Despite the physiological benefits, the major challenge of PR is to promote change in lifestyle. In this sense, it has been emphasized the study of psychological variables such as self-efficacy. Aim: To translate, cross-culturally adapt and validate the PRAISE scale for Brazilian COPD patients. Methods: The PRAISE scale was applied on the first day by two raters and 15-20 days later by one rater. Patients were assessed for self-efficacy with the General Self-Efficacy Scale (GSS) and the COPD Self-Efficacy Scale (CSES); functional limitation for activities of daily living with the London Chest Activity of Daily Living (LCADL) scale; anxiety and depression symptoms with the Hospital Anxiety and Depression Scale (HADS); quality of life with Saint George’s Respiratory Questionnaire (SGRQ); resilience with the Resilience Scale; and basic psychological needs with the Basic Psychological Needs in Exercise Scale (BPNES). The tests used were: Student’s t-test or Wilcoxon’s test (PRAISE score comparison); intraclass correlation coefficient (ICC), interrater reliability and test-retest and Cronbach’s alpha; and Spearman’s or Pearson’s correlation coefficient to assess validity. Results: The scale was pre-tested in 10 patients to evaluate translation accuracy and cross-cultural adaptation. Thirty-four patients with COPD took part (22 men; FEV1=42.2±15.7%pred). The interrater and test-retest ICCs were excellent (0.82 and 0.86, respectively), with no significant differences in test-retest reliability (p>0.05). Cronbach’s alpha interrater and testretest were 0.90 and 0.92, respectively (p<0.001). There were no floor and ceiling effects. The scale showed weak to moderate correlations with GSS, CSES, LCADL, HADS, SGRQ, Resilience Scale, and BPNES. Conclusions: The PRAISE scale proved to be valid and reliable for Brazilian patients with COPD.


Self-efficacy; Chronic Obstructive Pulmonary Disease; Validity


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