• Farzad Goli, Hamidreza Roohafza, Azam Khani, and Hamid Afshar.
• Danesh-e Tandorosti Institute, Isfahan, Iran.
• J Res Med Sci. 2022 Jan 1; 27: 11.

BackgroundAs the diagnostic criteria for psychosomatic research-structured interview (DCPR-SI) is a rater-assessed questionnaire, it has not been used vastly in community-based studies and clinics. Describing and investigating self-assessed form of DCPR are an attempt to apply it easier and more worthwhile for medical settings. The aim of this study was to describe and present self-assessed form of DCPR self-assessed (DCPR-SA) and test its validity and reliability.Materials And MethodsThe DCPR-SI was translated to Persian according to the best practice methodology and the guideline for adaptation of self-report measures. In this cross-sectional study, 540 patients and healthy individuals were recruited and answered DCPR-SA and some related questionnaires. Inter-rater (test-interview) and test-retest reliability were determined. Construct, concurrent, discriminant, and known-group validity were tested.ResultsThe kappa coefficients were expressed substantial and almost perfect agreement (0.617-0.784, P ≤ 0.05). In addition, phi correlation coefficients were indicated adequate test-retest reliability for each cluster (0.548-0.754, P ≤ 0.05). Three domains (anxiety-related symptoms, functional symptoms, and dysfunctional traits and emotional patterns) were confirmed by factor analysis. The results of the discriminate validity analysis were promising.ConclusionThe findings show that the DCPR-SA is valid and reliable and can be used by medical professionals as a psychosomatic screening tool and can be used properly in Persian-speaking population.Copyright: © 2022 Journal of Research in Medical Sciences.

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