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dc.contributor.authorJongsma, Hannah E
dc.contributor.authorGayer-Anderson, Charlotte
dc.contributor.authorTarricone, Ilaria
dc.contributor.authorVelthorst, Eva
dc.contributor.authorvan der Ven, Els
dc.contributor.authorQuattrone, Diego
dc.contributor.authordi Forti, Marta
dc.contributor.authorEU-GEI WP2 Group
dc.contributor.authorMenezes, Paulo Rossi
dc.contributor.authorDel-Ben, Christina Marta
dc.contributor.authorArango, Celso
dc.contributor.authorLasalvia, Antonio
dc.contributor.authorBerardi, Domenico
dc.contributor.authorLa Cascia, Caterina
dc.contributor.authorBobes, Julio
dc.contributor.authorBernardo, Miguel
dc.contributor.authorSanjuán, Julio
dc.contributor.authorSantos, Jose Luis
dc.contributor.authorArrojo, Manuel
dc.contributor.authorde Haan, Lieuwe
dc.contributor.authorTortelli, Andrea
dc.contributor.authorSzöke, Andrei
dc.contributor.authorMurray, Robin M
dc.contributor.authorRutten, Bart P
dc.contributor.authorvan Os, Jim
dc.contributor.authorMorgan, Craig
dc.contributor.authorJones, Peter B
dc.contributor.authorKirkbride, James B
dc.date.accessioned2020-02-18T06:06:24Z
dc.date.available2020-02-18T06:06:24Z
dc.date.issued2021-07
dc.identifier.issn0033-2917
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/302320
dc.description.abstractBACKGROUND: Ethnic minority groups in Western countries face an increased risk of psychotic disorders. Causes of this long-standing public health inequality remain poorly understood. We investigated whether social disadvantage, linguistic distance and discrimination contributed to these patterns. METHODS: We used case-control data from the EUropean network of national schizophrenia networks studying Gene-Environment Interactions (EU-GEI) study, carried out in 16 centres in six countries. We recruited 1130 cases and 1497 population-based controls. Our main outcome measure was first-episode ICD-10 psychotic disorder (F20-F33), and exposures were ethnicity (white majority, black, mixed, Asian, North-African, white minority and other), generational status, social disadvantage, linguistic distance and discrimination. Age, sex, paternal age, cannabis use, childhood trauma and parental history of psychosis were included as a priori confounders. Exposures and confounders were added sequentially to multivariable logistic models, following multiple imputation for missing data. RESULTS: Participants from any ethnic minority background had crude excess odds of psychosis [odds ratio (OR) 2.03, 95% confidence interval (CI) 1.69-2.43], which remained after adjustment for confounders (OR 1.61, 95% CI 1.31-1.98). This was progressively attenuated following further adjustment for social disadvantage (OR 1.52, 95% CI 1.22-1.89) and linguistic distance (OR 1.22, 95% CI 0.95-1.57), a pattern mirrored in several specific ethnic groups. Linguistic distance and social disadvantage had stronger effects for first- and later-generation groups, respectively. CONCLUSION: Social disadvantage and linguistic distance, two potential markers of sociocultural exclusion, were associated with increased odds of psychotic disorder, and adjusting for these led to equivocal risk between several ethnic minority groups and the white majority.
dc.description.sponsorshipFinancial support The European Network of National Schizophrenia Networks Studying Gene-Environment Interactions (EU-GEI) Project was funded by grant agreement Health-F2-2010-241909 (Project EU-GEI) from the European Community’s Seventh Framework programme. The Brazilian study was funded by grant 2012-0417-0 from the São Paulo Research Foundation. Dr Jongsma is funded by the Economic and Social Research Council (grant ES/S011714/1). Dr Kirkbride is funded by the Wellcome Trust and Royal Society (Grant 101272/Z/13/Z). Dr Jongsma and Prof Jones are funded by the National Institute of Health Research Collaboration of Leadership in Applied Health Research and Care East of England. Prof Rutten is funded by the Netherlands Scientific Organisation (VIDI award number 91718336). Dr Jongsma and Dr Kirkbride are supported by the National Institute for Health Research, University College London Hospital, Biomedical Research Centre.
dc.format.mediumPrint-Electronic
dc.languageeng
dc.publisherCambridge University Press (CUP)
dc.rightsAll rights reserved
dc.subjectEU-GEI WP2 Group
dc.titleSocial disadvantage, linguistic distance, ethnic minority status and first-episode psychosis: results from the EU-GEI case-control study.
dc.typeArticle
prism.endingPage1548
prism.issueIdentifier9
prism.publicationDate2021
prism.publicationNamePsychol Med
prism.startingPage1536
prism.volume51
dc.identifier.doi10.17863/CAM.49393
dcterms.dateAccepted2020-01-24
rioxxterms.versionofrecord10.1017/S003329172000029X
rioxxterms.versionAM
rioxxterms.licenseref.urihttp://www.rioxx.net/licenses/all-rights-reserved
rioxxterms.licenseref.startdate2021-07
dc.contributor.orcidJongsma, Hannah E [0000-0001-6346-5903]
dc.identifier.eissn1469-8978
rioxxterms.typeJournal Article/Review
pubs.funder-project-idNational Institute for Health Research (NIHR) (via Cambridgeshire and Peterborough NHS Foundation Trust (CPFT) (unknown)
cam.issuedOnline2020-03-03
cam.orpheus.successTue Mar 31 10:36:09 BST 2020 - Embargo updated
rioxxterms.freetoread.startdate2020-09-03


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