Abstract
The increasing global prevalence of asthma necessitates effective disease management, with patients and their families playing a central role. Enhancing health literacy (HL) among caregivers is critical to improving asthma outcomes. This study aimed to validate the Arabic version of the Asthma Numeracy Questionnaire (Ar-ANQ) to address the gap in HL assessment tools for Arabic-speaking populations. A total of 400 parents of children with asthma completed the Ar-ANQ at an outpatient respiratory clinic. Confirmatory factor analysis (CFA) and Rasch analysis were employed to evaluate the psychometric properties of the instrument. CFA supported the unidimensional structure of the Ar-ANQ, with excellent model fit indices (χ²/df = 4.6, SRMR = 0.02, CFI = 0.99, GFI = 0.99, TLI = 0.96) and high internal consistency (Cronbach's α = 0.82). Rasch analysis further demonstrated psychometric robustness, with high person and item separation reliabilities (0.74 and 0.99, respectively) and acceptable infit and outfit statistics. The Arabic version of the Asthma Numeracy Questionnaire (Ar-ANQ) is a reliable and valid instrument for assessing health literacy among parents of children with asthma.
Published Version
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