Comparisons of schizotypal traits across 12 countries: Results from the International Consortium for Schizotypy Research

Eduardo Fonseca-Pedrero, Raymond C.K. Chan, Martin Debbané, David Cicero, Lisa C. Zhang, Colleen Brenner, Emma Barkus, Richard J. Linscott, Thomas Kwapil, Neus Barrantes-Vidal, Alex Cohen, Adrian Raine, Michael T. Compton, Erin B. Tone, Julie Suhr, José Muñiz, Alicia Pérez de Albéniz, Axit Fumero, Stella Giakoumaki, Ioannis TsaousisAntonio Preti, Michael Chmielewski, Julien Laloyaux, Anwar Mechri, Mohamed Aymen Lahmar, Viviana Wuthrich, Frank Larøi, Johanna C. Badcock, Assen Jablensky, Javier Ortuño-Sierra

Research output: Contribution to journalArticleResearchpeer-review

17 Citations (Scopus)

Abstract

© 2018 Elsevier B.V. Background: Schizotypal traits are expressions of underlying vulnerability to psychotic disorders which have a potential impact on mental health status, neurocognition, quality of life, and daily functioning. To date, little research has examined epidemiologic landscape of schizotypal traits at the cross-national level. Our aim was to study the expression of schizotypal traits by sex, age, and country in a combined sample gathered from 12 countries. Methods: A total of 27,001 participants completed the Schizotypal Personality Questionnaire (SPQ). The mean age of participants was 22.12 (SD = 6.28); 37.5% (n = 10,126) were males. Results: Schizotypal traits varied according to sex, age, and country. Females scored higher than males in the positive dimension, whereas males scored higher in the disorganization dimension. By age, a significant decrease in the positive schizotypal traits was observed. Epidemiological expression of schizotypal traits varied by country. Moreover, several interactions by sex, age, and country were found. Conclusions: This pattern is similar to those found in patients with psychosis and psychotic-like experiences. These findings provide new insights and the opportunity to explore the phenotypic expression of schizotypal traits at cross-national level.
Original languageEnglish
Pages (from-to)128-134
JournalSchizophrenia Research
Volume199
DOIs
Publication statusPublished - 1 Sep 2018

Keywords

  • Age
  • Cross-cultural
  • Psychosis
  • SPQ
  • Schizotypal traits
  • Schizotypy
  • Sex

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    Fonseca-Pedrero, E., Chan, R. C. K., Debbané, M., Cicero, D., Zhang, L. C., Brenner, C., Barkus, E., Linscott, R. J., Kwapil, T., Barrantes-Vidal, N., Cohen, A., Raine, A., Compton, M. T., Tone, E. B., Suhr, J., Muñiz, J., de Albéniz, A. P., Fumero, A., Giakoumaki, S., ... Ortuño-Sierra, J. (2018). Comparisons of schizotypal traits across 12 countries: Results from the International Consortium for Schizotypy Research. Schizophrenia Research, 199, 128-134. https://doi.org/10.1016/j.schres.2018.03.021