1,004
1997-2000 Morgan et al. (2006)
Psychosis Statistical analysis Screening Questionnaire (PSQ)
978
1968-1970 Hitch & Rack (1980)
National Centre for Social 4,281 Research ( 2002)
Research Case control study Diagnostic Criteria and ICD Schizophrenia Case control study and Paranoia (unspecified) ICD-10 Case control study
110
1985-1992 Castle et al. (1998)
1993
Psychotic and Case control study Non-Psychotic mental illnesses
1971-1974 Carpenter & Brockington 141 (1980)
18 studies ICD 8/9/10, Meta- analysis RDC and DSMIV
Retrospective analysis
1977-2003 Cantor-Graae & Selten (2005)
ICD- 9
Results
Black, White and Black and Asian patients overrepresented Asian in use of mental health facilities in the UK.
Ethnic Groups
White, Asian and African Caribbeans more likely to be African Caribbean involuntarily admitted to hopsitals. Admission rates higher only for 2nd time admissions when comparing AfricanCaribbeans to White British patients. United Kingdom, White, Black The risk of developing schizophrenia in first Netherlands, African, Eastern generation migrants as 2.7.For black Denmark and European and populations the relative risk is 4.8. Sweden Asian Manchester Sub- Saharan Schizophrenia is the most common Africans, West condition diagnosed among the Indians, Asians immigrants, 6 times as common as in the and White British native born. Most common positive symptom was 'delusions of persecution amongst immigrants. Camberwell African African Caribbeans have the most elevated Caribbean, White risk of schizophrenia. Risk for African-Caribbeans has been and African steadily increasing from 1965 to 1980. Bradford Eastern European Foreign born females (Polish origin) were the highest group to be diagnosed with schizophrenia. Sout-East London, African Schizophrenia 9 times higher in African Nottingham and Caribbean, White Caribbean population. Bristol British and Black Over 50% of both African Caribbeans and African Black Africans were admitted to hospital compulsorily, compared to only 24% of White British patients. United Kingdom White, Irish, Black Higher psychosis rates for immigrants who Caribbean, were in the UK prior to the age of 11. Black Caribbean highest PSQ rate, Bangladeshi, followed by Pakistanis and Indians. Indian and Pakistani Urbanacity not reason for increase in psychosis.
Ealing and Camberwell
Sample Measure Method Location Size 38 studies Psychotic and Systematic review United Kingdom non-psychotic mental illnesses 100
Author & Year of Publication Bhui et al. (2003)
1991-1993 Burnett et al. (1999)
2003
Year
Table 3. Review of Major Epidemiological Studies on Schizophrenia by Ethnicity (2007)
48