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Size and clustering of ethnic groups and rates of psychiatric admission in England

  • Gayathri Venkatesan (a1), Scott Weich (a2), Orla McBride (a3), Liz Twigg (a4), Helen Parsons (a2), Jan Scott (a5), Kamaldeep Bhui (a6) and Patrick Keown (a5)...
Abstract
Aims and method

To compare rates of admission for different types of severe mental illness between ethnic groups, and to test the hypothesis that larger and more clustered ethnic groups will have lower admission rates. This was a descriptive study of routinely collected data from the National Health Service in England.

Results

There was an eightfold difference in admission rates between ethnic groups for schizophreniform and mania admissions, and a fivefold variation in depression admissions. On average, Black and minority ethnic (BME) groups had higher rates of admission for schizophreniform and mania admissions but not for depression. This increased rate was greatest in the teenage years and early adulthood. Larger ethnic group size was associated with lower admission rates. However, greater clustering was associated with higher admission rates.

Clinical implications

Our findings support the hypothesis that larger ethnic groups have lower rates of admission. This was a between-group comparison rather than within each group. Our findings do not support the hypothesis that more clustered groups have lower rates of admission. In fact, they suggest the opposite: groups with low clustering had lower admission rates. The BME population in the UK is increasing in size and becoming less clustered. Our results suggest that both of these factors should ameliorate the overrepresentation of BME groups among psychiatric in-patients. However, this overrepresentation continues, and our results suggest a possible explanation, namely, changes in the delivery of mental health services, particularly the marked reduction in admissions for depression.

Declaration of interest

None.

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Copyright
This is an Open Access article, distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives licence (http://creativecommons.org/licenses/by-nc-nd/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is unaltered and is properly cited. The written permission of Cambridge University Press must be obtained for commercial re-use or in order to create a derivative work.
Corresponding author
Correspondence to Gayathri Venkatesan (Gayathri.venkatesan@ntw.nhs.uk)
References
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BJPsych Bulletin
  • ISSN: 2056-4694
  • EISSN: 2056-4708
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Size and clustering of ethnic groups and rates of psychiatric admission in England

  • Gayathri Venkatesan (a1), Scott Weich (a2), Orla McBride (a3), Liz Twigg (a4), Helen Parsons (a2), Jan Scott (a5), Kamaldeep Bhui (a6) and Patrick Keown (a5)...
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