Translation, Cross-Cultural Adaptation, and Validation of the Physical Activity Scale for Individuals With Physical Disabilities for Brazilian Individuals With Parkinson’s Disease

Abstract

The Physical Activity Scale for Individuals with Physical Disabilities (PASIPD) is not available to Portuguese-Brazil. This study translates, cross-culturally adapts, and validates the PASIPD for Brazilian individuals with Parkinson’s disease. The translation process followed guidelines: initial translation, synthesis, back translation, expert committee, and pretest. The validation and reliability processes were conducted with 40 individuals (15 men and 25 women) with Parkinson’s disease. Concurrent validity was evaluated between PASIPD to Brazilian Portuguese, International Physical Activity Questionnaire, and Human Activity Profile. PASIPD to Brazilian Portuguese was found to be moderately correlated with International Physical Activity Questionnaire (r = .474, p < .05); however, there was no correlation with Human Activity Profile (r = .271, p < .05). We used the intrarater reliability with intraclass correlation coefficient and test–retest. Intrarater reliability was high (intraclass correlation coefficient = .80). Internal consistency was considered adequate by Cronbach’s alpha (α = .70). PASIPD to Brazilian Portuguese is a valid and reliable instrument for evaluating physical activity levels in Brazilian individuals with Parkinson’s disease.

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“…Additionally, the moderately good correlation between the self-reported PAL and MET values (r = 0.57) indicate that the results are acceptable mediums for study analysis. The PASIPD questionnaire has been reported to provide low-to-good internal consistency (ICC = 0.20-0.87), poor-to-moderate correlation with PAL (r = 0.22-0.51), and comparisons with wearable devices such as accelerometers [16,[44][45][46][47][48][49][50]. However, such poor-to-moderate measures of internal consistency and correlations are also apparent in other forms of PA questionnaires, such as the well-known International Physical Activity Questionnaire (IPAQ) [51].…”