Child maltreatment, migration and risk of first-episode psychosis: results from the multinational EU-GEI study

Giuseppe D'Andrea, Jatin Lal, Sarah Tosato, Charlotte Gayer-Anderson, Hannah E Jongsma, Simona A Stilo, Els van der Ven, Diego Quattrone, Eva Velthorst, Domenico Berardi, Paulo Rossi Menezes, Celso Arango, Mara Parellada, Antonio Lasalvia, Caterina La Cascia, Laura Ferraro, Daniele La Barbera, Lucia Sideli, Julio Bobes, Miguel BernardoJulio Sanjuán, Jose Luis Santos, Manuel Arrojo, Cristina Marta Del-Ben, Giada Tripoli, Pierre-Michel Llorca, Lieuwe de Haan, Jean-Paul Selten, Andrea Tortelli, Andrei Szöke, Roberto Muratori, Bart P Rutten, Jim van Os, Peter B Jones, James B Kirkbride, Robin M Murray, Marta di Forti, Ilaria Tarricone, Craig Morgan

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Abstract

BACKGROUND: Child maltreatment (CM) and migrant status are independently associated with psychosis. We examined prevalence of CM by migrant status and tested whether migrant status moderated the association between CM and first-episode psychosis (FEP). We further explored whether differences in CM exposure contributed to variations in the incidence rates of FEP by migrant status.

METHODS: We included FEP patients aged 18-64 years in 14 European sites and recruited controls representative of the local populations. Migrant status was operationalized according to generation (first/further) and region of origin (Western/non-Western countries). The reference population was composed by individuals of host country's ethnicity. CM was assessed with Childhood Trauma Questionnaire. Prevalence ratios of CM were estimated using Poisson regression. We examined the moderation effect of migrant status on the odds of FEP by CM fitting adjusted logistic regressions with interaction terms. Finally, we calculated the population attributable fractions (PAFs) for CM by migrant status.

RESULTS: We examined 849 FEP cases and 1142 controls. CM prevalence was higher among migrants, their descendants and migrants of non-Western heritage. Migrant status, classified by generation (likelihood test ratio:χ 2 = 11.3, p = 0.004) or by region of origin (likelihood test ratio:χ 2 = 11.4, p = 0.003), attenuated the association between CM and FEP. PAFs for CM were higher among all migrant groups compared with the reference populations.

CONCLUSIONS: The higher exposure to CM, despite a smaller effect on the odds of FEP, accounted for a greater proportion of incident FEP cases among migrants. Policies aimed at reducing CM should consider the increased vulnerability of specific subpopulations.

Original languageEnglish
Pages (from-to)6150-6160
Number of pages11
JournalPsychological medicine
Volume53
Issue number13
Early online date28 Oct 2022
DOIs
Publication statusPublished - 28 Oct 2023

Keywords

  • Child adversity
  • childhood trauma
  • first-episode psychosis
  • migrants

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