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- Title
Reliability and validity of the Chinese version of the Calgary Depression Scale for Schizophrenia.
- Authors
Xiao, Weidong; Liu, Hao; Zhang, Hongyan; Liu, Qi; Fu, Peixin; Chen, Jingxu; Wang, Xiaoping; Wang, Gaohua; Li, Lingzhi; Shu, Liang
- Abstract
Objective: The aim of the present study was to determine the reliability and validity of the Chinese version of the Calgary Depression Scale for Schizophrenia (CDSS-C) in schizophrenia patients. Method: One hundred and one inpatients from four mental health units who met DSM-IV criteria for schizophrenia were enrolled. The Positive and Negative Syndrome Scale (PANSS), Hamilton Depression Rating Scale (HDRS-24), Simpson-Augus Rating Scale (SAS), and Barnes Acathisia Rating Scale (BARS) were administered by the first rater, whereas the CDSS-C was assessed by a second independent rater. Results: The internal consistency (Cronbach's α = 0.80) and the inter-rater reliability (κ coefficient >0.79) were good. The test-retest reliability was high (r = 0.927). The scale had good construct validity, with statistically significant correlations with the HDRS-24, G6 item (depression) of PANSS, and significant weak correlations with the general psychopathology subscale of PANSS. The CDSS-C showed no correlation with the positive and negative subscale of PANSS, the SAS and the BARS. Conclusion: The Chinese version of CDSS is a valid and reliable instrument for the assessment of depression in schizophrenia.
- Subjects
DIAGNOSIS of mental depression; PEOPLE with bipolar disorder; PEOPLE with schizophrenia; PATHOLOGICAL psychology; PSYCHIATRIC research; SYMPTOMS; PSYCHOLOGY
- Publication
Australian & New Zealand Journal of Psychiatry, 2009, Vol 43, Issue 6, p548
- ISSN
0004-8674
- Publication type
Article
- DOI
10.1080/00048670902873672