期刊
COMPREHENSIVE PSYCHIATRY
卷 46, 期 1, 页码 6-13出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1016/j.comppsych.2004.07.017
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This study evaluates the prevalence of threshold and subthreshold use of substances among patients with psychiatric disorders and 2 comparison groups. Participants were outpatients and inpatients with mood and anxiety disorders, subjects with opiate dependence, and a comparison group of individuals not undergoing treatment for psychiatric disorders. Assessments included the Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Axis I Disorders, an interview exploring the spectrum of substance use (Structured Clinical Interview for the Spectrum of Substance Use), and a self-report instrument exploring the spectrum of 5 psychiatric disorders (General 5-Spectrum Measure). The overall frequency of substance use disorder (SUD) and that of subthreshold use were 46% and 8% in patients with bipolar disorder, 4% and 26% in those with panic disorder, 8% and 26% in those with obsessive-compulsive disorder, and 6% and 10% in the control group, respectively (x(2) = 51.6, P <.001). Inspection of standardized residuals indicated that alcohol use disorder and SUD were significantly (P <.05) more frequent in subjects with bipolar disorder than among those with obsessive-compulsive disorder or panic disorder. The latter showed a significantly higher subthreshold use of substances than control subjects. The pattern of motivations for use varied according to the psychiatric disorder. Our results suggest that the well-established relationship between SUDS and psychiatric disorders might be the end point of a process that starts from increased proneness to substance use, which first leads to self-medication and then may eventually develop into substance abuse or dependence, among subjects with psychiatric symptoms. (C) 2005 Elsevier Inc. All rights reserved.
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