Occupational Therapy Assessment of Spirituality questionnaire: translation into Persian and psychometric testing

Background/Aims Occupational therapy is a profession that uses holistic and person-centered approaches that deal with all aspects of daily life. Clients' needs fall into four areas, and one of them is spirituality. Therefore, occupational therapists should pay attention to this area, but there is little information on the status of occupational therapists' knowledge and use in clinical practice. The aim of this study was to translate the occupational therapy assessment of spirituality questionnaire into Persian and determine its validity, factor analysis and reliability. Methods This is a psychometric study that was conducted between June and September 2018. The Occupational Therapy Assessment of Spirituality is a self-report, 25-item questionnaire, with self-exploratory scoring that investigates occupational therapists' views on four factors: spirituality in the scope of practice following its addition in the theoretical framework; formal education and training on spirituality; need for future educational opportunities and training to address spirituality; and awareness of assessments and evaluations in occupational therapy that incorporate clients' spirituality. The International Quality of Life Assessment approach was used for translation. Content validity was performed with 10 occupational therapists regarding qualitative content validity, content validity index and content validity ratio. Exploratory factor analysis and internal consistency with a sample size of 125 people and test-retest coefficient with a sample size of 25 people were computed for reliability. Results Qualitative content validity was confirmed, with content validity index greater than 0.79 and content validity ratio greater than 0.62. During the exploratory factor analysis process, the number of factors was reduced to three factors and the number of questions were reduced from 21 to 15 questions. Internal consistency was good (0.88). Test-retest coefficient was 0.96, with a high level of significance (P<0.001). Conclusions The Persian version of the Occupational Therapy Assessment of Spirituality is a reliable and valid questionnaire and can be used among Iranian occupational therapists in different clinical settings.