Article ID Journal Published Year Pages File Type
4186776 Journal of Affective Disorders 2010 6 Pages PDF
Abstract

BackgroundCommunity-based telephone surveys of depression have generated reliable findings but their concordance with standardized clinical diagnostic interviews is uncommonly examined, especially in non-western populations.Method106 consenting participants from a previous telephone-based population survey of major depressive episode (MDE) using a structured questionnaire were re-assessed face-to-face by clinical interviewers using the Structured Clinical Interview for DSM-IV Axis I Disorder (SCID-I). Receiver operating characteristic and other predictive indicators were used to investigate the concordance between the telephone survey instrument and SCID interview.ResultThe telephone survey instrument adequately classified MDE when the DSM-IV symptom number standard was fulfilled at moderate to severe levels of distress and impairment. It performed best when the cut-off was set at a severe level of distress or impairment in any one of four domains of functioning (AUC = 0.76). Feeling useless, fatigue, loss of motivation and difficulty in concentration were the most prominent items for increasing the certainty of SCID-MDE diagnosis.ConclusionClassification of MDE by telephone-based structured interview of MDE exhibited generally good agreement with face-to-face clinical interview diagnosis in the Chinese population of Hong Kong. Further research on the telephone-based methodology should address inter-rater reliability, specificity of diagnosis, and variability of concordance across different mental disorder diagnoses and criteria of clinically significant impairment.

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