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The Anxiety Inventory for Respiratory Disease (AIR) is a reliable and valid scale for examining the anxiety in patients with COPD. This study aimed to cross-culturally adapt and translate the original AIR scale into the Arabic language and to examine its reliability and validity in Arab patients with COPD. This was a validation study conducted on 70 Arabic patients with COPD. The AIR-A and the Hospital Anxiety and Depression Scale (HADS) were completed on the first assessment. After two weeks, 55 patients completed the AIR-A scale again. The reliability was assessed by Cronbach’s α and intraclass correlation coefficients (ICC 2,1 ). Exploratory factor analysis (EFA), and the confirmatory factor analysis (CFA) were used to measure the structural validity. The construct validity was also explored. The AIR-A questionnaire had a Cronbach’s α of 0.91 and ICC 2,1  of 0.86. The EFA revealed that the AIR-A was unidimensional. The CFA showed the single-factor model required minor modifications to reach the best fit. The AIR-A was correlated with the HADS- anxiety ( r  = 0.89,  p  &lt; 0.001). The Arabic version of AIR scale is reliable, and valid for assessing the anxiety disorder in Arabic speaking patients with COPD worldwide.Implications for PracticeThe Arabic version of AIR will be useful for examining anxiety in Arabic speaking patients with COPD worldwide.The Arabic version of AIR will help clinicians to monitor the effect of interventions in Arabic speaking patients with COPD who suffer from anxiety.The Arabic version of AIR assess only the anxiety. The Arabic version of AIR will be useful for examining anxiety in Arabic speaking patients with COPD worldwide. The Arabic version of AIR will help clinicians to monitor the effect of interventions in Arabic speaking patients with COPD who suffer from anxiety. The Arabic version of AIR assess only the anxiety.

Psychometric properties of the Arabic version of the anxiety inventory for respiratory disease in patients with COPD