Reliability and validity of the Chinese version of the schedule for assessment of insight

VernacularTitle:自知力评定量表中文版的信效度研究
Author: Ziyan XU ; Zhihua GUO ; Zhaoyan FU ; Na WANG ; Yi ZHANG
Publication Type:Journal Article
Keywords: Insight; Reliability; Validity; Psychometrics; Psychosis
From: Chinese Journal of Behavioral Medicine and Brain Science 2013;22(8):752-754
CountryChina
Language:Chinese
Abstract: Objective To investigate reliability and validity of the Chinese version of the schedule for assessment of insight (SAI).Methods The original version of SAI was translated into Chinese and then backtranslated into English to develop the Chinese version of SAI which reliability and validity were tested.220 subjects who met the diagnosis of Schizophrenia,schizophreniform disorder,schizoaffective disorder,delusional disorder or brief psychotic disorder were assessed.Results The Cronbach's α was 0.890 ; the test-retest reliability was 0.742 ; the inter-rater reliability was 0.986.Three main factors were obtained from the factor load matrix as awareness of illness,ability to relabel psychotic experience,compliance with treatment.The loading coefficient were 0.883-0.944.The correlation of the SAI total score and three subscales with insight of PANSS were-0.635,-0.305,-0.631 and-0.512 respectively (P ＜ 0.01).Conclusion The SAI has good reliability and validity.The scale is useful to measure insight in psychosis.