ArticleBMJ (Clinical research ed.)1994
Ethnicity as a variable in epidemiological research.
Article in BMJ (Clinical research ed.), 1994. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 117 papers, 14 of them syntheses that pooled 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.
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.
Who cites it
117 citing papers in PubMed, 14 syntheses or guidelines pooled it.
- Experience of menopause across ethnic groups: mapping the evidence through a scoping review.Frontiers in reproductive health · 2025Pooled it
- Conceptualization, Operationalization, and Utilization of Race and Ethnicity in Major Epidemiology Journals, 1995-2018: A Systematic Review.American journal of epidemiology · 2023Pooled it
- Pooled it
- Does ethnicity affect pain management for people with advanced disease? A mixed methods cross-national systematic review of 'very high' Human Development Index English-speaking countries.BMC palliative care · 2022Pooled it
- Cultural Identity Conflict Informs Engagement with Self-Management Behaviours for South Asian Patients Living with Type-2 Diabetes: A Critical Interpretative Synthesis of Qualitative Research Studies.International journal of environmental research and public health · 2021Pooled it
- Access to Health Services in Older Minority Ethnic Groups with Dementia: A Systematic Review.Journal of the American Geriatrics Society · 2021Pooled it
- HPV vaccination among ethnic minorities in the UK: knowledge, acceptability and attitudes.British journal of cancer · 2011Pooled it
- Ethnicity and academic performance in UK trained doctors and medical students: systematic review and meta-analysis.BMJ (Clinical research ed.) · 2011Pooled it
- Does the pulse pressure in people of European, African and South Asian descent differ? A systematic review and meta-analysis of UK data.Journal of human hypertension · 2007Pooled it
- Race and ethnicity in genetic research.American journal of medical genetics. Part A · 2007Pooled it
- Exclusion and inclusion of nonwhite ethnic minority groups in 72 North American and European cardiovascular cohort studies.PLoS medicine · 2006Pooled it
- Do variations in blood pressures of South Asian, African and Chinese descent children reflect those of the adult populations in the UK? A review of cross-sectional data.Journal of human hypertension · 2004Pooled it
- Is the blood pressure of people from African origin adults in the UK higher or lower than that in European origin white people? A review of cross-sectional data.Journal of human hypertension · 2003Pooled it
- Is the blood pressure of South Asian adults in the UK higher or lower than that in European white adults? A review of cross-sectional data.Journal of human hypertension · 2002Pooled it
- Intersectional relationships between age, sex, ethnicity, nationality and experience of racism in the UK using different ethnicity categorisations: A comparative study using survey data.Journal of migration and health · 2026Article
- Recruitment, retention and reporting of ethnic representativeness in maternity trials: a scoping review.BMJ open · 2025Article
- Ethnic diversity in precision medicine: a reality or an aspiration?Diabetologia · 2025Review
- Inter-Ethnic Differences in the Efficacy and Safety of Tyrosine Kinase Inhibitors Used in Oncology: Insights From Phase 3 Clinical Trials.Clinical and translational science · 2025Review
- Intersectional Dynamics of Race, Ethnicity, and Immigration: Examining Health Outcomes among Black Immigrant Youth through Ethnic-Racial Identity Development and Critical Consciousness.Human development · 2025Article
- Article
57 more citing papers are in PubMed but not listed here.
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Authors and funding
2 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ethnicity is used increasingly as a key variable to describe health data, and ethnic monitoring in the NHS will further stimulate this trend. We identify four fundamental problems with ethnicity in this type of research: the difficulties of measurement, the heterogeneity of the populations being studied, lack of clarity about the research purpose of the research, and ethnocentricity affecting the interpretation and use of data. Ethnicity needs to be used carefully to be a useful tool for health research. We make nine recommendations for future practice, one of which is that ethnicity and race should be recognised and treated as distinct concepts.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.