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Accepted VersionCC BY-NC-ND V4.0, Open Access
Journal article
An investigation of schizotypy in injecting amphetamine users
Personality and Individual Differences, Vol.55(5), pp.508-514
2013
Abstract
A fully dimensional view of psychiatric disorder conceptualises schizotypy as both a continuous personality trait and an underlying vulnerability to the development of psychotic illness. Such a model would predict that the structure of schizotypal traits would closely parallel the structure of schizophrenia or psychosis. This was investigated in injecting amphetamine users (N=322), a clinical population who have high rates of acute psychotic episodes and subclinical schizotypal experiences. Schizotypy was assessed using the Oxford-Liverpool Inventory of Feelings and Experiences (O-LIFE), and psychotic symptoms were assessed using the Brief Psychiatric Rating Scale (BPRS). Using confirmatory factor analysis, O-LIFE subscale scores were mapped onto latent variables with their more clinical counterparts from the BPRS. A four-factor model comprising positive schizotypy, disorganisation, negative schizotypy, and disinhibition provided the best model fit, consistent with prior research into the structure of schizotypy. The model provided a good fit to the data, lending support to the theory that schizotypy and psychotic symptoms map onto common underlying dimensions.
Details
- Title
- An investigation of schizotypy in injecting amphetamine users
- Authors
- Sharon Dawe (Author) - Griffith UniversityMatthew J Gullo (Author) - The University of QueenslandSam Minge (Author) - Griffith UniversityRebecca McKetin (Author) - Australian National UniversityLeanne Hides (Author) - The University of QueenslandDavid J Kavanagh (Author) - Queensland University of TechnologyRoss Young (Author) - Queensland University of Technology
- Publication details
- Personality and Individual Differences, Vol.55(5), pp.508-514
- Publisher
- Elsevier Ltd
- Date published
- 2013
- DOI
- 10.1016/j.paid.2013.04.024
- ISSN
- 1873-3549; 0191-8869
- Copyright note
- Copyright © 2013. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/
- Organisation Unit
- University of the Sunshine Coast, Queensland; Office of the Deputy Vice-Chancellor (Research and Innovation)
- Language
- English
- Record Identifier
- 99551607902621
- Output Type
- Journal article
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