Risk factors and the prevalence of neurosis and psychosis in ethnic groups in Great Britain

T Brugha, R Jenkins, P Bebbington, H Meltzer, G Lewis, M Farrell

Research output: Contribution to journalArticlepeer-review

48 Citations (Scopus)

Abstract

Background Our aim was to examine whether variations in the prevalence of neurosis and psychosis between ethnic minorities throughout Great Britain are explained by social disadvantage. Method A total of 10,108 adult householders throughout Great Britain were assessed in a two-stage survey with the Revised Clinical Interview Schedule (CIS-R) and Psychosis Screening Questionnaire (PSQ). Respondents with a positive PSQ or who received a diagnosis of, or treatment for, psychosis were examined by a psychiatrist using the Schedules for Clinical Assessment in Neuropsychiatry (SCAN). Data on respondents' preferred ethnic group were collapsed into four groups: Whites, African-Caribbean or Africans, south Asians and other. Results Ethnic grouping was strongly associated with: unemployment; lone parent status; lower social class; low perceived social support; poverty (indicated by lack of car ownership) and having a primary social support group of less than three close others. All these associations applied to the group Africans and Afro-Caribbeans, but only some applied to the other groups. No ethnic group had significantly increased rates of neurosis. Only the African-Caribbean group were at significantly increased risk of a psychotic disorder (odds ratio 4.55; 95% Cl: 1.13, 18.30). After adjustment for risk factors, the odds of psychosis were lower (odds ratio 2.97; 95% Cl: 0.66, 13.36). Conclusions The excess of psychosis in Africans and Afro-Caribbeans in Great Britain appears to be partly explained by socio-economic disadvantage, but larger studies are needed to confirm this.
Original languageEnglish
Pages (from-to)939 - 946
Number of pages8
JournalSocial Psychiatry and Psychiatric Epidemiology
Volume39
Issue number12
DOIs
Publication statusPublished - Dec 2004

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