Over-representation of Maori New Zealanders among adolescents in a schizotypy taxon

Richard Linscott, Dannette Marie, Kelly Arnott, Bronwyn Clarke

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Background: Minority ethnic and migrant groups are often over-represented among those with schizophrenia.
Objectives: The aim of this study was to determine whether Maori, the aboriginal minority of New Zealand, are over-represented in a schizotypy taxon derived from a general population sample of adolescents.
Method: Secondary school students (n = 3 87) aged 13 to 17 years completed self-report measures of four schizotypy attributes, magical thinking, hallucinatory tendency, self-referential ideation, and perceptual aberration, and indicated ethnic descent and self-identified ethnic belonging.
Results: Taxometric analyses (maximum covariance, maximum eigenvalue, latent modes) yielded consistent evidence of taxonicity of schizotypy. Participants who were of Maori descent were over-represented in the schizotypy group.
Conclusions: Ethnicity, or the stress and resilience factors for which ethnicity is a proxy measure, has a measurable impact on psychometric risk for schizophrenia. (c) 2006 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)289-296
JournalSchizophrenia Research
Volume8
Issue number2-3
DOIs
Publication statusPublished - Jun 2006

Keywords

  • descent
  • ethnic identity
  • New Zealand Maori
  • risk for schizophrenia
  • schizotypy
  • taxometric analysis
  • cannabis use
  • African American
  • ethnicity
  • psychosis
  • diagnosis
  • Indicators
  • disorders
  • symptoms

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