Evidence map›Paper›PMID 25208909›Full record

ArticleSocial psychiatry and psychiatric epidemiology2015

Prevalence of psychosis in black ethnic minorities in Britain: analysis based on three national surveys.

Tarik Qassem, Paul Bebbington, Nicola Spiers, Sally McManus, Rachel Jenkins, Simon Dein

Abstract read
In one paragraph

Article in Social psychiatry and psychiatric epidemiology, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers, 3 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed, 3 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed, 3 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Review
  5. Article
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  7. Article
  8. The revised Psychosis Attachment Measure: further psychometric evidence.Social psychiatry and psychiatric epidemiology · 2024
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  17. At risk or not at risk? A meta-analysis of the prognostic accuracy of psychometric interviews for psychosis prediction.World psychiatry : official journal of the World Psychiatric Association (WPA) · 2015
    Article
  18. Ethnic inequalities in severe mental disorders: where is the harm?Social psychiatry and psychiatric epidemiology · 2015
    Article
4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors.

Tarik QassemDivision of Psychiatry, Faculty of Brain Sciences, University College London, Charles Bell House, 67-73 Riding House Street, London, W1W 7EH, UK.
Paul Bebbington
Nicola Spiers
Sally McManus
Rachel Jenkins
Simon Dein

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeA considerable excess of psychosis in black ethnic minorities is apparent from clinical studies, in Britain, as in other developed economies with white majority populations. This excess is not so marked in population surveys. Equitable health service provision should be informed by the best estimates of the excess. We used national survey data to establish the difference in the prevalence of psychosis between black ethnic groups and the white majority in the British general population.

methodsAnalysis of the combined datasets (N = 26,091) from the British national mental health surveys of 1993, 2000 and 2007. Cases of psychosis were determined either by the use of the Schedules for Clinical Assessment in Neuropsychiatry (SCAN), or from a combination of screening items. We controlled for sex, age, social class, unemployment, design features and other putative confounders, using a Disease Risk Score.

resultsPeople from black ethnic minorities had an excess prevalence rate of psychosis compared with the white majority population. The OR, weighted for study design and response rate, was 2.72 (95 % CI 1.3-5.6, p = 0.002). This was marginally increased after controlling for potential confounders (OR = 2.90, 95 % CI 1.4-6.2, p = 0.006).

conclusionsThe excess of psychosis in black ethnic minority groups was similar to that in two previous British community surveys, and less than that based on clinical studies. Even so it confirms a considerable need for increased mental health service resources in areas with high proportions of black ethnic minority inhabitants.

Indexed as

AdolescentAdultAgedAged, 80 and overBlack PeopleDental Health SurveysEthnicityFemaleHumansMaleMental Health ServicesMiddle AgedMinority GroupsPrevalencePsychotic DisordersUnited Kingdom

Identifiers

PMID25208909
PMCPMC4464643

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