Risk and protective factors for suicide among patients with methamphetamine dependence: A nested case-control study

Chian Jue Kuo, Shang Ying Tsai, Ya Tang Liao, Yeates Conwell, Shih Ku Lin, Chia Ling Chang, Chiao Chicy Chen, Wei J. Chen

研究成果: 雜誌貢獻文章

16 引文 斯高帕斯(Scopus)

摘要

Objective: Methamphetamine as a recreational drug has undergone cycles of popularity, with a recent surge worldwide since the 1990s. This study aimed to identify clinical characteristics associated with suicide mortality in patients with metham-phetamine dependence by means of a nested case-control design. Method: In a consecutive series of 1,480 inpatients with methamphetamine dependence (diagnosed according to DSM-III-R and DSM-IV criteria) admitted to a psychiatric center in northern Taiwan from January 1, 1990, through December 31, 2006, 38 deaths due to suicide were identified as cases via record linkage, and 76 controls were randomly selected using risk-set density sampling in a 2:1 ratio, matched for age, sex, and the year of index admission. A standardized chart review process was adopted to collate sociodemographic and clinical information for each study subject. Multivariate conditional logistic regression analysis was used to identify correlates of suicide among these patients. Results: For the sociodemographic and symptom profiles at the latest admission, financial independence lowered the risk for suicide (adjusted risk ratio [ARR] = 0.33, P <.05), whereas visual hallucinations elevated the risk (ARR = 2.57, P <.05) for suicide. For the profiles during the postdischarge period, financial independence (ARR = 0.11, P <.05) remained associated with reduced risk for suicide, whereas suicide attempt (ARR = 8.78, P <.05) and depressive syndrome (ARR = 3.28, P = .059) were associated with increased risk of suicide. Conclusions: Both protective and risk factors for suicide mortality were found among inpatients with methamphetamine dependence, and the findings have implications for clinical intervention and prevention.

原文英語
頁(從 - 到)487-493
頁數7
期刊Journal of Clinical Psychiatry
72
發行號4
DOIs
出版狀態已發佈 - 四月 2011

ASJC Scopus subject areas

  • Psychiatry and Mental health

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