Demographic correlates of psychotic-like experiences in young Australian adults

Scott, J., Welham, J., Martin, G., Bor, W., Najman, J, O'Callaghan, M., Williams, G., Aird, R. and McGrath, J. J. (2008) Demographic correlates of psychotic-like experiences in young Australian adults. Acta Psychiatrica Scandinavica, 118 3: 230-237. doi:10.1111/j.1600-0447.2008.01214.x

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Author Scott, J.
Welham, J.
Martin, G.
Bor, W.
Najman, J
O'Callaghan, M.
Williams, G.
Aird, R.
McGrath, J. J.
Title Demographic correlates of psychotic-like experiences in young Australian adults
Journal name Acta Psychiatrica Scandinavica   Check publisher's open access policy
ISSN 0001-690X
Publication date 2008-09-01
Year available 2008
Sub-type Article (original research)
DOI 10.1111/j.1600-0447.2008.01214.x
Open Access Status File (Author Post-print)
Volume 118
Issue 3
Start page 230
End page 237
Total pages 8
Editor Povl Munk-Jorgensen
Place of publication Oxford, U.K.
Publisher Blackwell/Wiley InterScience
Language eng
Subject C1
111714 Mental Health
1103 Clinical Sciences
Abstract Psychotic-like experiences (PLEs) are common in young people and are associated with both distress and adverse outcomes. The Community Assessment of Psychic Experiences-Positive Scale (CAPE-P) provides a 20-item measure of lifetime PLEs. A 15-item revision of this scale was recently published (CAPE-P15). Although the CAPE-P has been used to assess PLEs in the last 12 months, there is no version of the CAPE for assessing more recent PLEs (e.g. 3 months). This study aimed to determine the reliability and validity of the current CAPE-P15 and assess its relationship with current distress.
Formatted abstract
Objective: Psychotic-like experiences (PLE) in the general community are common. The aims of this study were to examine the prevalence and demographic correlates of PLE in young adults.

Method: The sample consisted of 2441 subjects aged 18–23 years. Subjects completed the Composite International Diagnostic Interview (CIDI) and the 21-item Peters Delusional Inventory (PDI). Associations between age, gender, hallucinations and delusions were examined using logistic regression.

: Both CIDI hallucinations and delusions predicted high scores on the PDI. Younger age was significantly associated with endorsement of CIDI delusions [odds ratio (OR) = 0.66, 95% confidence interval (CI) 0.48–0.92) and with PDI total scores (OR = 0.68, 95% CI 0.55–0.83). Women were significantly more likely to endorse items related to hallucinations (OR = 1.49, 95% CI 1.14–1.95) but not delusions.

: PLE are common in young adults. The mechanisms underpinning the age and gender gradients in PLE may provide clues to the pathogenesis of psychotic disorders.
Keyword Psychosis
Age factors
Gender differences
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

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