Reasons for cannabis use in men with and without psychosis

References

• Costa e Silva JA. Evidence-based analysis of the worldwide abuse of licit and illicit drugs. Hum Psychopharmacol 2002; 17: 131–40.
   Google Scholar
• Kavanagh DJ, Waghorn G, Jenner L, et al. Demographic and clinical correlates of comorbid substance use disorders in psychosis: multivariate analyses from an epidemiological sample. Schizophr Res 2004;2 – 3: 115–24
   Google Scholar
• van Os J, Bak M, Hanssen M, Bijl RV, de Graf R, Verdoux H. Cannabis use and psychosis: a longitudinal population- based study. Am J Epidemiol 2002; 156: 319–27.
   Google Scholar
• Rice DP. The economic cost of schizophrenia. J Clin Psychiatry 1999;60(Suppl. 1):4 – 6.
   Google Scholar
• Dixon L Haas G Wieden P Sweeney J Frances A Acute effects of drug abuse in schizophrenic patients: clinical observations and patients’ self-reports. Schizophr Bull 1990; 16: 69–79.
   Google Scholar
• Knudsen P, Vilmar T. Cannabis and neuroleptic agents in schizophrenia. Acta Psychiatr Scand 1984; 69: 162–74.
   Google Scholar
• Bergman HC, Harris H. Substance abuse among young adult chronic patients. Psychosoc Rehab J 1985;IX:49 – 54.
   Google Scholar
• Test MA, Wallisch LS, Allness DJ, Ripp K. Substance use in young adults with schizophrenic disorders. Schizophr Bull 1989; 15: 465–76.
   Google Scholar
• Treffert DA. Marijuana use in schizophrenia: a clear hazard. Am J Psychiatry 1978; 135: 1213–15.
   Google Scholar
• Hekimian LJ, Gershon S. Characteristics of drug abusers admitted to a psychiatric hospital. JAMA 1968; 205: 75–80.
   Google Scholar
• Addington J, Duchak V. Reasons for substance use in schizophrenia. Acta Psychiatr Scand 1997; 96: 329–33.
   Google Scholar
• Fowler IL, Carr V, Carter NT, Lewin TJ. Patterns of current and lifetime substance use in schizophrenia. Schizophr Bull 1998; 24: 443–55.
   Google Scholar
• Spencer C D Michie P. Motivations that maintain substance use among individuals with psychotic disorders. Schizophr Bull 2002; 28: 233–47.
   Google Scholar
• Cox WM, Klinger E. A motivational model of alcohol use. J Abnorm Psychol 1988; 97: 168–80.
   Google Scholar
• Young RM, Oei TP. Grape expectations: the role of alcohol expectancies in the understanding and treatment of problem drinking. Int J Psychol 1993; 28: 337–64.
   Google Scholar
• Dixon L Haas G Wieden PJ Sweeney J Frances AJ. Drug abuse in schizophrenic patients: clinical correlates and reasons for use. Am J Psychiatry 1991; 148: 224–30.
   Google Scholar
• Warner R, Taylor D, Wright J, et al. Substance use among the mentally ill: prevalence, reasons for use, and effects on illness. Am J Orthopsychiatry 1994; 64: 30–9.
   Google Scholar
• Baigent M, Holme G, Hafner JR. Self reports of the interaction between substance abuse and schizophrenia. Aust NZ J Psychiatry 1995; 29: 69–74.
   Google Scholar
• Brunette MF, Mueser KT, Xie H, Drake R. Relationships between symptoms of schizophrenia and substance abuse. J Nerv Ment Dis 1997; 185: 13–20.
   Google Scholar
• Voruganti LNP, Slomka P, Zabel P, Matter A, Awad AG. Cannabis induced dopamine release: an in–vivo SPECT study. Psychiatr Res Neuroim Sect 2001; 107: 173–7.
   Google Scholar
• Hamera EJ, Kraenzle Schneider J, Deviney S. Alcohol, cannabis, nicotine, and caffeine use and symptom distress in schizophrenia. J Nerv Ment Dis 1995; 183: 559–65.
   Google Scholar
• American Psychiatric Association. Diagnostic and statistical manual of mental disorders: DSM IV, 4th edn. Washington: American Psychiatric Association, 1994.
   Google Scholar
• Kavanagh DJ, Saunders JB, Young R, et al. Evaluation of screening and brief intervention for substance abuse in early psychosis. Adelaide: AUSEINET, 1999.
   Google Scholar
• Gossop M, Darke S, Griffiths P, et al. The Severity of Dependence Scale (SDS): psychometric properties of the SDS in English and Australian samples of heroin, cocaine and amphetamine users. Addiction 1995; 90: 607–14.
   Google Scholar
• California Department of Mental Health. Scoring manual for the California Quality of Life (CA-QOL). Sacramento: California Department of Mental Health, 1999.
   Google Scholar
• Sobell LC, Sobell MB. Timeline follow-back: a technique for assessing self-reported ethanol consumption. In: Allen J, Litten RZ, eds. Measuring alcohol consumption: psycho- social and biological methods. Totowa: Humana Press, 1992: 41–72.
   Google Scholar
• Krippendorf K. Alpha: a computer program for reliability analysis. Philadelphia: University of Pennsylvania, 2003.
   Google Scholar
• Krippendorf K. Content analysis: an introduction to its methodology, 2nd edn. Thousand Oaks: Sage, 2004.
   Google Scholar
• Miller M. VB-Pro: a program for analyzing verbatim text. Knoxville: University of Tennessee, 1995.
   Google Scholar
• Green B, Kavanagh D, Young, RM. On being stoned: the self-reported effects of cannabis. Drug Alcohol Rev 2003; 22: 453–60.
   Google Scholar
• Young RM, Oei TP. The predictive utility of drinking refusal self-efficacy and alcohol expectancy: a diary-based study of tension reduction. Addict Behav 2000; 25: 415–21.
   Google Scholar
• Kavanagh, DJ, Mueser KT, Baker A. Management of comorbidity. In: Teeson, M, Proudfoot H, eds. Comorbid mental disorders and substance use disorders: epidemiol- ogy, prevention and treatment. Sydney: National Drug and Alcohol Research Centre University of New South Wales, 2003: 78–120.
   Google Scholar
• Fischman MW, Foltin RW. Utility of subjective-effects measurements in assessing abuse liability of drugs in humans. Br J Addict 1991; 86: 1563–70.
   Google Scholar
• Schwarz N, Hippler H-J, Noelle-Neumann E. Retrospective reports: the impact of response formats. In: Schwarz N, Sudman S, eds. Autobiographical memory and the validity of retrospective reports. New York: Springer-Verlag, 1994: 187–99.
   Google Scholar