Abstract
Background: The structured clinical interview for DSM-5 has recently been revised to reflect the new findings in the diagnostic criteria of psychological disorders. Objectives: The present study aimed to evaluate the reliability and validity of the Persian translation of structured clinical interview for diagnostic and statistical manual of mental disorders-fifth edition (DSM-5)-research version (SCID-5-RV) on Iranian adult population. Methods: In the current diagnostic accuracy study a total of 305 clinical samples were admitted to fifteen adult clinical settings and a subsample of these participants (n = 50, with a mean age of 34.31 and a standard deviation of 11.96) was recruited to evaluate test-retest reliability, and 40 non-clinical participants were recruited to examine construct validity. All participants completed the Millon Clinical Multiaxial inventory-III (MCMI-III) and Brief Symptom inventory (BSI). Results: SCID psychometric properties indicated an acceptable range for internal consistency (0.95 - 0.99), test-retest reliability (0.60 - 0.79), and Kappa reliability (0.57 - 0.72). Further, the agreement between interviewer and psychiatrist diagnoses was assessed using the Kappa index, and the result was satisfactory. The current diagnostic accuracy study used sensitivity and specificity indexes to assess the diagnostic validity of SCID by positive predictive value and also negative predictive value under the “likelihood ratio” domain. Specificity values for most psychiatric disorders were high; the sensitivity values were to somewhat lower. Furthermore, SCID-5-RV categorical diagnoses demonstrated an acceptable construct validity based on the significant differences between the clinical and non-clinical samples in all subscales of BSI except for phobia as well as all clinical subscales of MCMI-III. Conclusions: In general, the Persian translation of SCID-5-RV represented acceptable reliability and validity for various categorical diagnoses in different clinical settings.
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