Demographic and clinical correlates of comorbid substance use disorders in psychosis : multivariate analyses from an epidemiological sample
Kavanagh, David J., Waghorn, Geoffrey, Jenner, Linda, Chant, David, Carr, Vaughan, Evans, Mandy, Herrman, Helen, Jablensky, Assen, & McGrath, John J. (2004) Demographic and clinical correlates of comorbid substance use disorders in psychosis : multivariate analyses from an epidemiological sample. Schizophrenia Research, 66(2-3), pp. 115-124.
Background: While there has been substantial research examining the correlates of comorbid substance abuse in psychotic disorders, it has been difficult to tease apart the relative importance of individual variables. Multivariate analyses are required, in which the relative contributions of risk factors to specific forms of substance misuse are examined, while taking into account the effects of other important correlates.
Methods: This study used multivariate correlates of several forms of comorbid substance misuse in a large epidemiological sample of 852 Australians with DSMIII- R-diagnosed psychoses. Results: Multiple substance use was common and equally prevalent in nonaffective and affective psychoses. The most consistent correlate across the substance use disorders was male sex. Younger age groups were more likely to report the use of illegal drugs, while alcohol misuse was not associated with age. Side effects secondary to medication were associated with the misuse of cannabis and multiple substances, but not alcohol. Lower educational attainment was associated with cannabis misuse but not other forms of substance abuse.
Conclusion: The profile of substance misuse in psychosis shows clinical and demographic gradients that can inform treatment and preventive research.
Impact and interest:
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|Item Type:||Journal Article|
|Keywords:||Psychosis, Schizophrenia, Epidemiology, Substance abuse, Substance dependence|
|Subjects:||Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > CLINICAL SCIENCES (110300) > Psychiatry (incl. Psychotherapy) (110319)|
Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > PUBLIC HEALTH AND HEALTH SERVICES (111700) > Mental Health (111714)
|Divisions:||Current > QUT Faculties and Divisions > Faculty of Health|
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Psychology & Counselling
|Deposited On:||19 Nov 2009 15:47|
|Last Modified:||01 Mar 2012 00:10|
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