Cross-cultural adaptation, reliability, and validity of the work role functioning questionnaire 2.0 to Persian

Hamid Reza Mokhtarinia*, Akram Shahbazi, Femke Abma, Charles Philip Gabel

*Corresponding author for this work

    Research output: Contribution to journalArticleAcademicpeer-review

    7 Citations (Scopus)
    163 Downloads (Pure)

    Abstract

    Purpose To translate and cross-culturally adapt, the Work Role Functioning Questionnaire 2.0 to Persian (WRFQ-Pr), and evaluate reliability and validity. Material and Methods Standardized protocols were followed including forward-backward translation then synthesis/consolidation. Subsequent pilot investigation of the draft WRFQ-Pr (n = 50, male = 68%, age = 33.5 +/- 7.3 years) tested the alternative wording and determined face and content validity through readability, understandability, interpretation, and cultural relevance. Participants (n = 288) were recruited from a convenience sample to assess: construct validity through exploratory factor analysis (EFA) using Promax rotation and maximum least squares extraction; and internal consistency using Cronbach's alpha coefficient. Test-retest reliability was evaluated from the intraclass correlation coefficient (ICC2.1). Results The forward-backward translation was achieved with eight items (1,3,4,5,9,11,12,22) modified and reformulated due to idiomatic issues. Internal consistency for the subscales ranged from alpha = 0.87-0.95, and the test-retest reliability was ICC(2,1)=0.92 (CI: 0.89-0.95). The EFA showed a four-factor solution, being identical to the original version, however items 20-22 loaded with items 23-26 in one factor, which was re-named "flexibility and social demand." One item (#26) did not load above the required 0.30 threshold and was removed from the WRFQ-Pr. No floor or ceiling effects were found. Conclusions The WRFQ translation and cross-cultural adaptation to Persian (WRFQ-Pr) was performed successfully. The determined properties of reliability and validity were comparable to those of the original English version.

    Original languageEnglish
    Pages (from-to)5268-5276
    Number of pages9
    JournalDisability and Rehabilitation
    Volume44
    Issue number18
    Early online date2-Jun-2021
    DOIs
    Publication statusPublished - 2022

    Keywords

    • Psychometric
    • rehabilitation
    • health condition
    • outcome measure
    • work function
    • QUALITY CRITERIA
    • VERSION
    • LIMITATIONS

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