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Báo cáo y học: " The Chinese version of the Obsessive-Compulsive Inventory-Revised scale: Replication and extension to non-clinical and clinical individuals with OCD symptoms"

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành y học dành cho các bạn tham khảo đề tài: he Chinese version of the Obsessive-Compulsive Inventory-Revised scale: Replication and extension to non-clinical and clinical individuals with OCD symptoms | Peng et al. BMC Psychiatry 2011 11 129 http www.biomedcentral.com 1471-244X 11 129 BMC Psychiatry RESEARCH ARTICLE Open Access The Chinese version of the Obsessive-Compulsive Inventory-Revised scale Replication and extension to non-clinical and clinical individuals with OCD symptoms Zi-wen Peng1 2 3 Wen-han Yang1 Guo-dong Miao3 Jin Jing1 and Raymond CK Chan2 Abstract Background The Obsessive-Compulsive Inventory-Revised OCI-R was designed to evaluate the severity of obsessive-compulsive symptoms in both clinical and non-clinical samples. The aim of the study was to evaluate the psychometric properties of a Chinese version of this scale. Methods The Chinese version of the OCI-R was administered to both a non-clinical sample 209 undergraduate students and a clinical sample 56 obsessive-compulsive disorder OCD patients . Confirmatory factor analysis was conducted to examine the construct validity of the OCI-R in the non-clinical sample. The internal consistency at baseline and test-retest reliabilities at 4-week interval was examined in both the non-clinical and clinical samples. Results The confirmatory factor analysis of the non-clinical sample confirmed a 6-factor model suggested by the original authors of the instrument df 120 RMSEA 0.068 CFI 0.88 NNFI 0.85 GFI 0.89 . The internal consistency and test-retest reliability were at an acceptable range for both the non-clinical and clinical samples. The OCI-R also showed good clinical discrimination for patients with OCD from healthy controls. Conclusions The Chinese version of the OCI-R is a valid and reliable instrument for measuring OCD symptoms in the Chinese context. Keywords Obsessive-Compulsive Disorder validation Chinese Background Obsessive-compulsive disorder OCD is a chronic psychiatric illness with a mean lifetime prevalence of 2 to 3 in the general population 1 . OCD is characterized by intense anxiety caused by unwanted intrusive persistent thoughts images or impulses obsessions leading to repetitive .