The Incidence of First Contact Schizophrenia in Jamaica

Hickling, Frederick W.; Rodgers‐Johnson, Pamela

doi:10.1192/bjp.167.2.193

Cited by 144 publications

(103 citation statements)

References 7 publications

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“…Three major incidence studies have been conducted, covering Jamaica (Hickling et al 1995), Trinidad (Bhugra et al 1996) and Barbados (Mahy et al 1999), the three islands from where the majority of UK migrants originated. The incidence of schizophrenia in each study was comparable to the rate for the UK White population, and significantly lower than the comparable rate for the UK AfricanCaribbean population.…”

Section: Previous Studiesmentioning

confidence: 99%

Incidence of schizophrenia and other psychoses in ethnic minority groups: results from the MRC AESOP Study

et al. 2006

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Section: Previous Studiesmentioning

confidence: 99%

Incidence of schizophrenia and other psychoses in ethnic minority groups: results from the MRC AESOP Study

et al. 2006

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“…Studies conducted in the 1990s in Jamaica, Trinidad, and Barbados all report similar schizophrenia incidence rates to those found in the native UK population. [13][14][15] Based on these studies, it appears that high rates of schizophrenia among black Caribbeans are a feature of the emigrated rather than the native community.…”

mentioning

confidence: 99%

Schizophrenia in black Caribbeans living in the UK: an exploration of underlying causes of the high incidence rate

2008

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“…1,2 This increased risk may persist into the second and third generations. 2,3 Incidence rates are not typically found to be elevated in the country of origin; [4][5][6][7] therefore, it is believed that the migratory or postmigration experience may play a role in the etiology.…”

mentioning

confidence: 99%

Incidence of psychotic disorders among first-generation immigrants and refugees in Ontario

Anderson

Cheng

Süsser

et al. 2015

CMAJ

117

125

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Background: Evidence suggests that migrant groups have an increased risk of psychotic disorders and that the level of risk varies by country of origin and host country. Canadian evidence is lacking on the incidence of psychotic disorders among migrants. We sought to examine the incidence of schizophrenia and schizoaffective disorders in first-generation immigrants and refugees in the province of Ontario, relative to the general population. Methods:We constructed a retrospective cohort that included people aged 14-40 years residing in Ontario as of Apr. 1, 1999. Population-based administrative data from physician billings and hospital admissions were linked to data from Citizenship and Immigration Canada. We used Poisson regression models to calculate age-and sex-adjusted incidence rate ratios (IRRs) and 95% confidence intervals (CIs) for immigrant and refugee groups over a 10-year period.Results: In our cohort (n = 4 284 694), we found higher rates of psychotic disorders among immigrants from the Caribbean and Bermuda (IRR 1.60, 95% CI 1.29-1.98). Lower rates were found among immigrants from northern Europe (IRR 0.50, 95% CI 0.28-0.91), southern Europe (IRR 0.60, 95% CI 0.41-0.90) and East Asia (IRR 0.56, 95% CI 0.41-0.78). Refugee status was an independent predictor of risk among all migrants (IRR 1.27, 95% CI 1.04-1.56), and higher rates were found specifically for refugees from East Africa (IRR 1.95, 95% CI 1.44-2.65) and South Asia (IRR 1.51, 95% CI 1.08-2.12). Interpretation:The differential pattern of risk across ethnic subgroups in Ontario suggests that psychosocial and cultural factors associated with migration may contribute to the risk of psychotic disorders. Some groups may be more at risk, whereas others are protected. AbstractCMAJ Podcasts: author interview at soundcloud.com/cmajpodcasts/psychotic-disorders See also www.cmaj.ca/lookup

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The Incidence of First Contact Schizophrenia in Jamaica

Abstract: Incidence rates for schizophrenia in Jamaica are lower than those reported in Afro-Caribbean immigrants in the UK and Holland, and within the reported range for other population groups worldwide.

Cited by 144 publications

References 7 publications

Incidence of schizophrenia and other psychoses in ethnic minority groups: results from the MRC AESOP Study

Incidence of schizophrenia and other psychoses in ethnic minority groups: results from the MRC AESOP Study

Schizophrenia in black Caribbeans living in the UK: an exploration of underlying causes of the high incidence rate

Incidence of psychotic disorders among first-generation immigrants and refugees in Ontario

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