Translation to Brazilian Portuguese, Cultural Adaptation and Psychometric Properties of 8-item ArthritisSelf-Efficacy Scale (ASES-8)

Overview

Journal Sao Paulo Med J

Specialty General Medicine

Date 2019 May 23

PMID 31116272

Citations 1

Authors

Raphael Vilela Timoteo da Silva

Fabiana de Carvalho Silva

Sandra Mara Meireles

Jamil Natour

Affiliations

Soon will be listed here.

Abstract

Background: Self-efficacy refers to one's belief in one's ability to organize, perform actions and face challenges in order to achieve goals and motivation. High self-efficacy improves disease coping and adherence to treatment among patients with rheumatoid arthritis. The objective of this study was to translate, culturally adapt and test the reproducibility of the 8-item Arthritis Self-Efficacy Scale (ASES-8) questionnaire for use in Brazil.

Design And Setting: Validation study conducted in university outpatient clinics.

Methods: The questionnaire was translated into Brazilian Portuguese and then back-translated into English. The final version in Portuguese was tested on 30 patients with rheumatoid arthritis and was shown to be understandable and culturally adapted. A further 32 patients with rheumatoid arthritis were evaluated three times using the questionnaire. On the first occasion, two evaluators applied the questionnaire to check inter-evaluator reproducibility. After 15 days, one of the evaluators reassessed the patients to verify intra-evaluator reproducibility. At the first assessment, to test the construct validity of ASES-8, the Numerical Pain Scale, Health Assessment Questionnaire, Beck Depression Inventory and Short Form-36 questionnaire were also applied to all the patients.

Results: The inter and intra-evaluator correlation coefficients for ASES-8 were high. Cronbach's alpha was higher than 0.90 for the questionnaire, indicating excellent internal consistency. There were moderate correlations between ASES-8 and most of the instruments tested, indicating good construct validity.

Conclusion: ASES-8 was translated and adapted to the Portuguese language for Brazil. This instrument is valid, reproducible and reliable for evaluating self-efficacy among patients with rheumatoid arthritis.

Citing Articles

Reliability and validity of the Japanese short-form arthritis self-efficacy scale in patients with knee osteoarthritis: A cross-sectional study.

Uritani D, Kubo T, Yasuura Y, Fujii T PLoS One. 2023; 18(10):e0292426.

PMID: 37862299 PMC: 10588891. DOI: 10.1371/journal.pone.0292426.

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