Qi, R, Qureshi, M, Gire, N, Chaudhury, IB, Vass, V, McIntyre, J, Barlow, K, Bentall, R, White, RG and Husain, N Ethnic Density and First Episode Psychosis in the British Pakistani Population: Findings from the East Lancashire Early Intervention Service. British Journal of Psychiatry. ISSN 0007-1250 (Accepted)

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Abstract

Background Elevated risk of psychosis for ethnic minority groups has generally been shown to be mitigated by high ethnic density. However, past survey studies examining UK Pakistani populations have shown an absence of protective ethnic density effects, which is not observed in other South Asian groups. Aims To assess the ethnic density effect at a local neighbourhood level, in the UK Pakistani population in East Lancashire. Method Data was collected by the East Lancashire Early Intervention Service, identifying all cases of first episode psychosis (FEP) within their catchment area between 2012 and 2020. Multilevel Poisson regression analyses were used to compare incidence rates between Pakistani and White majority groups, while controlling for age, sex, and area level deprivation. The ethnic density effect was also examined by comparing incidence rates across high and low density areas. Results 455 cases of FEP (364 White, 91 Pakistani) were identified. The Pakistani group had a higher incidence of FEP compared to the White majority population. A clear effect of ethnic density on rates of FEP was shown, with those in low density areas having higher incidence rates compared to the White majority, whereas incidence rates in high density areas did not significantly differ. Within the Pakistani group, a dose-response effect was also observed, with risk of FEP increasing incrementally as ethnic density decreased. Conclusions Higher ethnic density related to lower risk of FEP within the Pakistani population in East Lancashire, highlighting the impact of local social context on psychosis incidence.

Item Type:	Article
Additional Information:	This article has been accepted for publication in British Journal of Psychiatry. This version is published under a Creative Commons CC-BY-NC-ND licence. No commercial re-distribution or re-use allowed. Derivative works cannot be distributed.
Uncontrolled Keywords:	11 Medical and Health Sciences; 17 Psychology and Cognitive Sciences; Psychiatry
Subjects:	B Philosophy. Psychology. Religion > BF Psychology
Divisions:	Psychology (from Sep 2019)
Publisher:	Cambridge University Press
SWORD Depositor:	A Symplectic
Date Deposited:	14 Mar 2024 11:36
Last Modified:	14 Mar 2024 11:36
URI:	https://researchonline.ljmu.ac.uk/id/eprint/22804

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