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  • Title: Translation and validation of the Arabic version of the Psychosocial Impact of Dental Aesthetics Questionnaire (PIDAQ).
    Author: Alharbi RA, Eshky RT, Marae SO, Hifnawy T, Alsulaimani M.
    Journal: J Orthod Sci; 2020; 9():19. PubMed ID: 33354545.
    Abstract:
    OBJECTIVES: To develop and test the validity and reliability of an Arabic version of the psychosocial impact of dental aesthetics questionnaire (PIDAQ). MATERIALS AND METHODS: The original English version was translated into Arabic, back-translated, pre-tested, and cross-culturally adapted before being administered to 205 individuals aged between 18-30 years from Medina, Saudi Arabia. Cronbach's alpha coefficient was used to test internal consistency, and the intraclass correlation coefficient (ICC) was used to assess test-retest reliability. Construct validity was assessed using factor analysis, and convergent validity was tested by comparing PIDAQ scores to the aesthetic components of the Dental Aesthetic Index (DAI) and Aesthetic Component of the Index of Orthodontic Treatment Need (IOTN-AC), while discriminant validity was assessed by comparing PIDAQ scores to participants' self-evaluation of orthodontic treatment need. Gender and age differences in the PIDAQ score were assessed. RESULTS: Cronbach's alpha coefficient was 0.940, corrected item-total correlation coefficients were between 0.509 and 0.719, and the ICC was 0.937. Principal component factor analysis extracted three domains, and factor loading ranged from 0.563 to 0.843. Total PIDAQ score and subscale scores had significant correlations with the DAI and IOTN-AC. The questionnaire discriminated well between participants who had a perceived need for orthodontic treatment and those with no perceived need. There were no significant age or gender differences in participants' PIDAQ scores. CONCLUSIONS: The Arabic version of the PIDAQ had excellent psychometric properties with sufficient reliability and validity to be used for the assessment of the orthodontic-related quality of life in young Arab adults.
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