Adaptation and validation of the Arabic version of self-efficacy scale for mammography. A report on psychometric properties

Abdulmohsen Hamdan Al-Zalabani

Abstract


Objectives: To culturally adapt and validate a mammography-specific self-efficacy (MSSE) scale into Arabic for the Saudi Arabian context.

 

Methods: A methodological study aimed at tool translation and adaptation conducted in primary healthcare centers in Al Madinah, Saudi Arabia between March 2016 and May 2016. The MSSE scale was translated and adapted into Arabic using standard procedures. Content and face validity were investigated. Confirmatory factor analysis and reliability analysis were used to determine the scale’s psychometric properties.

 

Results:  The scale showed a good internal consistency (Cronbach’s alpha=0.88). The confirmatory factor analysis supported the scale’s single-factor structure and the goodness-of-fit indices confirmed the model’s good fit (comparative fit index=0.961, Tucker‐Lewis index=0.943, root-mean-square error of approximation=0.076, and standardized root-mean-square residual=0.045). Women who had a mammogram in the last 2 years scored significantly higher on the scale (39±6.2) than women who had never received a mammogram (35.88±7.2; p=0.009).

 

Conclusion: The study confirmed that the scale’s Arabic version has good psychometric properties, using reliability analysis, confirmatory factor analysis, and extreme groups validation. The scale is likely to be useful for evaluating interventional studies aimed at improving mammography screening participation rates.

 

 

Saudi Med J 2019; Vol. 40 (7): 707-713
doi: 10.15537/smj.2019.7.23938


How to cite this article:
Al-Zalabani AH. Adaptation and validitation of Arabic version of self-efficacy scale for mammography. Saudi Med J 2019; 40 (7): 707-713. doi: 10.15537/smj.2019.7.23938.

 


Keywords


self-efficacy; mammography; breast cancer; Psychometrics; Factor Analysis

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