title: Cognitive function and suicide risk in Han Chinese inpatients with schizophrenia.
abstract: The lifetime risk of suicide in patients with schizophrenia is estimated to be 4.9-13%. While there are many known risk factors for suicide in schizophrenia, the relationship between cognitive function and suicide risk is unclear, particularly in non-Caucasian populations. In our cross-sectional study, we administered the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS) to 316 Han Chinese chronic inpatients with schizophrenia and compared the performance of those who had attempted suicide (n=25) to non-attempters (n=291). The lifetime suicide attempt data were collected from medical records and interviews with patients and their family members. We found a lifetime suicide attempt rate of 7.9%. Suicide attempters were more likely to be single, but showed no significant differences in other demographic factors such as age, gender, or living arrangements. Contrary to our hypothesis, there was no significant relationship between performance on the RBANS test and lifetime risk of suicide attempts in Han Chinese inpatients with schizophrenia. The literature remains mixed on this topic. Culturally influenced differences in suicidal behavior may have affected the outcome of this study and further investigation of this topic is necessary.
authors.affiliation: Department of Psychiatry, Columbia University, 1051 Riverside Drive, New York, NY 10032, USA.
authors.forename: Anthony William
authors.initials: AW
authors.lastname: Zoghbi
authors.affiliation: Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine and Michael E. DeBakey VA Medical Center, Houston, TX 77030, USA.
authors.forename: Rayan K
authors.initials: RK
authors.lastname: Al Jurdi
authors.affiliation: Menninger Department of Psychiatry and Behavioral Sciences, Baylor College of Medicine and Michael E. DeBakey VA Medical Center, Houston, TX 77030, USA.
authors.forename: Poonam R
authors.initials: PR
authors.lastname: Deshmukh
authors.affiliation: Psychiatry Research Center, Beijing HuiLongGuan Hospital, Peking University, Chang-Ping District, Beijing 100096, PR China.
authors.forename: Da C
authors.initials: DC
authors.lastname: Chen
authors.affiliation: Psychiatry Research Center, Beijing HuiLongGuan Hospital, Peking University, Chang-Ping District, Beijing 100096, PR China.
authors.forename: Mei H
authors.initials: MH
authors.lastname: Xiu
authors.affiliation: Psychiatry Research Center, Beijing HuiLongGuan Hospital, Peking University, Chang-Ping District, Beijing 100096, PR China.
authors.forename: Yun L
authors.initials: YL
authors.lastname: Tan
authors.affiliation: Psychiatry Research Center, Beijing HuiLongGuan Hospital, Peking University, Chang-Ping District, Beijing 100096, PR China.
authors.forename: Fu D
authors.initials: FD
authors.lastname: Yang
authors.affiliation: Psychiatry Research Center, Beijing HuiLongGuan Hospital, Peking University, Chang-Ping District, Beijing 100096, PR China; Department of Psychiatry and Behavioral Sciences, Harris County Psychiatric Center, The University of Texas Health Science Center at Houston, Houston, TX 77054, USA. Electronic address: zhangxy9@gmail.com.
authors.forename: Xiang Yang
authors.initials: XY
authors.lastname: Zhang
mesh_terms: D000328:Adult; D044466:Asian People / Q000523:psychology; D001288:Attention / Q000502:physiology; D003071:Cognition / Q000502:physiology*; D003072:Cognition Disorders / Q000150:complications / Q000175:diagnosis* / Q000523:psychology; D003430:Cross-Sectional Studies; D005260:Female; D006801:Humans; D007297:Inpatients / Q000523:psychology*; D007802:Language; D008297:Male; D008568:Memory / Q000502:physiology; D008875:Middle Aged; D009483:Neuropsychological Tests; D012307:Risk Factors; D012559:Schizophrenia / Q000150:complications; D012565:Schizophrenic Psychology; D059020:Suicidal Ideation; D013406:Suicide, Attempted / Q000523:psychology*
keywords: China; Cognition; IQ; Risk factors; Suicide attempt