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PW01-194 - Cannabis Use And Non-Clinical Dimensions Of Psychosis In University Students Presenting To Primary Care

Published online by Cambridge University Press:  17 April 2020

R. Skinner
Affiliation:
National University of Ireland, Galway, Ireland
L. Conlon
Affiliation:
Psychiatry, National University of Ireland, Galway, Ireland
D. Gibbons
Affiliation:
Psychiatry, National University of Ireland, Galway, Ireland
C. MacDonald
Affiliation:
Psychiatry, National University of Ireland, Galway, Ireland

Abstract

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Objective

To explore the relationship between cannabis use and self-report dimensions of psychosis in a population of university students presenting for any reason to primary care.

Method

One thousand and forty-nine students attending the Student Health Unit, National University of Ireland, Galway, completed self-report questionnaires on alcohol and substance misuse, non-clinical dimensions of psychosis (Community Assessmemnt of Psychic Experiences), anxiety and depression (Hospital Anxiety and Depression Scale). Association of cannabis use with psychiatric symptoms was explored whilst controlling for confounds.

Results

More frequent cannabis use was independently associated with greater intensity of positive, negative and depressive psychotic symptoms. The earlier the age of onset of cannabis use, the more positive psychotic symptoms were reported.

Conclusion

These findings support the hypothesis that cannabis use increases the risk of developing psychotic symptoms and that this risk is further increased in those individuals who use cannabis more heavily and commence it at a younger age.

Type
Psychotic disorders / Schizophrenia
Copyright
Copyright © European Psychiatric Association 2009
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