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The Arabic Arthritis Self-Efficacy Scale-8 (ASES-8): a valid and reliable measure of evaluating self-efficacy in Palestinian patients with rheumatoid arthritis

The Arabic Arthritis Self-Efficacy Scale-8 (ASES-8): a valid and reliable measure of evaluating self-efficacy in Palestinian patients with rheumatoid arthritis
The Arabic Arthritis Self-Efficacy Scale-8 (ASES-8): a valid and reliable measure of evaluating self-efficacy in Palestinian patients with rheumatoid arthritis
Background: the Arthritis Self-Efficacy Scale-8 (ASES-8) is one of the most commonly used scales to measure patient-reported arthritis-specific self-efficacy. However, evidence about the validity and reliability of ASES-8 in an Arabic-speaking arthritis population is lacking.

Objective: this study aimed to cross-culturally adapt and assess aspects of validity and reliability of the Arabic version of the ASES-8.

Methods: the ASES-8 was translated into the Arabic language using the back-translation method, and administered to 67 patients with rheumatoid arthritis (RA). Construct validation methods used exploratory factor analysis and correlating the ASES-8 scores with disease-related variables expected to be related to the arthritis self-efficacy construct. An internal consistency test was conducted. Floor and ceiling effects were considered present if more than 15% of patients achieved high (=10) and low (=1) scores on the Arabic ASES-8 for both the scale and item scores.

Results: exploratory factor analysis demonstrated a one-factor solution (factor loadings: 0.54-0.81). ASES-8 scores were correlated with all measures assessed (r=−0.24 to −0.57 and r=0.06 to 0.66), demonstrating construct validity. Internal consistency was acceptable for measures of Cronbach’s alpha (0.86 to 0.88). The scale did not exhibit ceiling or floor effects.

Conclusion: the Arabic version of ASES-8 is valid and reliable for evaluating self-efficacy in patients with rheumatoid arthritis
Rheumatoid arthritis, psychometric properties, reliability, self-efficacy, validity
0963-8288
Arab Alkabeya, Hisham
386fe993-8def-466d-93b1-677c878263b6
Daibes, Jumana
30408e78-3421-46ac-93fa-cc6057a9db70
Hughes, Ann-Marie
11239f51-de47-4445-9a0d-5b82ddc11dea
Adams, Joanna
6e38b8bb-9467-4585-86e4-14062b02bcba
Arab Alkabeya, Hisham
386fe993-8def-466d-93b1-677c878263b6
Daibes, Jumana
30408e78-3421-46ac-93fa-cc6057a9db70
Hughes, Ann-Marie
11239f51-de47-4445-9a0d-5b82ddc11dea
Adams, Joanna
6e38b8bb-9467-4585-86e4-14062b02bcba

Arab Alkabeya, Hisham, Daibes, Jumana, Hughes, Ann-Marie and Adams, Joanna (2020) The Arabic Arthritis Self-Efficacy Scale-8 (ASES-8): a valid and reliable measure of evaluating self-efficacy in Palestinian patients with rheumatoid arthritis. Disability and Rehabilitation. (doi:10.1080/09638288.2020.1748730).

Record type: Article

Abstract

Background: the Arthritis Self-Efficacy Scale-8 (ASES-8) is one of the most commonly used scales to measure patient-reported arthritis-specific self-efficacy. However, evidence about the validity and reliability of ASES-8 in an Arabic-speaking arthritis population is lacking.

Objective: this study aimed to cross-culturally adapt and assess aspects of validity and reliability of the Arabic version of the ASES-8.

Methods: the ASES-8 was translated into the Arabic language using the back-translation method, and administered to 67 patients with rheumatoid arthritis (RA). Construct validation methods used exploratory factor analysis and correlating the ASES-8 scores with disease-related variables expected to be related to the arthritis self-efficacy construct. An internal consistency test was conducted. Floor and ceiling effects were considered present if more than 15% of patients achieved high (=10) and low (=1) scores on the Arabic ASES-8 for both the scale and item scores.

Results: exploratory factor analysis demonstrated a one-factor solution (factor loadings: 0.54-0.81). ASES-8 scores were correlated with all measures assessed (r=−0.24 to −0.57 and r=0.06 to 0.66), demonstrating construct validity. Internal consistency was acceptable for measures of Cronbach’s alpha (0.86 to 0.88). The scale did not exhibit ceiling or floor effects.

Conclusion: the Arabic version of ASES-8 is valid and reliable for evaluating self-efficacy in patients with rheumatoid arthritis

Text
The Arabic Arthritis Self-Efficacy Scale-8 (ASES-8) A valid and reliable measure of evaluating self-efficacy in Palestinian patients with rheumatoid arthritis - Accepted Manuscript
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More information

Accepted/In Press date: 25 March 2020
e-pub ahead of print date: 14 April 2020
Keywords: Rheumatoid arthritis, psychometric properties, reliability, self-efficacy, validity

Identifiers

Local EPrints ID: 438997
URI: http://eprints.soton.ac.uk/id/eprint/438997
ISSN: 0963-8288
PURE UUID: 4bed24a3-9cdd-4bbe-9a1e-a6aac527e347
ORCID for Ann-Marie Hughes: ORCID iD orcid.org/0000-0002-3958-8206
ORCID for Joanna Adams: ORCID iD orcid.org/0000-0003-1765-7060

Catalogue record

Date deposited: 31 Mar 2020 16:31
Last modified: 26 Nov 2021 05:37

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Contributors

Author: Hisham Arab Alkabeya
Author: Jumana Daibes
Author: Joanna Adams ORCID iD

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