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Ethnic Differences in the Prevalence of Type 2 Diabetes Diagnoses in the UK: Cross-Sectional Analysis of the Health Improvement Network Primary Care Database.
Clin Epidemiol. 2019; 11:1081-1088.CE

Abstract

Aims/Hypothesis

Type 2 diabetes mellitus is associated with high levels of disease burden, including increased mortality risk and significant long-term morbidity. The prevalence of diabetes differs substantially among ethnic groups. We examined the prevalence of type 2 diabetes diagnoses in the UK primary care setting.

Methods

We analysed data from 404,318 individuals in The Health Improvement Network database, aged 0-99 years and permanently registered with general practices in London. The association between ethnicity and the prevalence of type 2 diabetes diagnoses in 2013 was estimated using a logistic regression model, adjusting for effect of age group, sex, and social deprivation. A multiple imputation approach utilising population-level information about ethnicity from the UK census was used for imputing missing data.

Results

Compared with those of White ethnicity (5.04%, 95% CI 4.95 to 5.13), the crude percentage prevalence of type 2 diabetes was higher in the Asian (7.69%, 95% CI 7.46 to 7.92) and Black (5.58%, 95% CI 5.35 to 5.81) ethnic groups, while lower in the Mixed/Other group (3.42%, 95% CI 3.19 to 3.66). After adjusting for differences in age group, sex, and social deprivation, all minority ethnic groups were more likely to have a diagnosis of type 2 diabetes compared with the White group (OR Asian versus White 2.36, 95% CI 2.26 to 2.47; OR Black versus White 1.65, 95% CI 1.56 to 1.73; OR Mixed/Other versus White 1.17, 95% CI 1.08 to 1.27).

Conclusion

The prevalence of type 2 diabetes was higher in the Asian and Black ethnic groups, compared with the White group. Accurate estimates of ethnic prevalence of type 2 diabetes based on large datasets are important for facilitating appropriate allocation of public health resources, and for allowing population-level research to be undertaken examining disease trajectories among minority ethnic groups, that might help reduce inequalities.

Authors+Show Affiliations

MRC Clinical Trials Unit at UCL, London WC1V 6LJ, UK. Department of Primary Care and Population Health, University College London, London NW3 2PF, UK.MRC Clinical Trials Unit at UCL, London WC1V 6LJ, UK. Department of Medical Statistics, London School of Hygiene & Tropical Medicines, London WC1E 7HT, UK.MRC Clinical Trials Unit at UCL, London WC1V 6LJ, UK.Department of Primary Care and Population Health, University College London, London NW3 2PF, UK.Department of Primary Care and Population Health, University College London, London NW3 2PF, UK. Department of Clinical Epidemiology, Aarhus University, Aarhus N 8200, Denmark.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

32021464

Citation

Pham, Tra My, et al. "Ethnic Differences in the Prevalence of Type 2 Diabetes Diagnoses in the UK: Cross-Sectional Analysis of the Health Improvement Network Primary Care Database." Clinical Epidemiology, vol. 11, 2019, pp. 1081-1088.
Pham TM, Carpenter JR, Morris TP, et al. Ethnic Differences in the Prevalence of Type 2 Diabetes Diagnoses in the UK: Cross-Sectional Analysis of the Health Improvement Network Primary Care Database. Clinical epidemiology. 2019;11:1081-1088.
Pham, T. M., Carpenter, J. R., Morris, T. P., Sharma, M., & Petersen, I. (2019). Ethnic Differences in the Prevalence of Type 2 Diabetes Diagnoses in the UK: Cross-Sectional Analysis of the Health Improvement Network Primary Care Database. Clinical Epidemiology, 11, 1081-1088. https://doi.org/10.2147/CLEP.S227621
Pham TM, et al. Ethnic Differences in the Prevalence of Type 2 Diabetes Diagnoses in the UK: Cross-Sectional Analysis of the Health Improvement Network Primary Care Database. Clinical epidemiology. 2019;11:1081-1088. PubMed PMID: 32021464.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Ethnic Differences in the Prevalence of Type 2 Diabetes Diagnoses in the UK: Cross-Sectional Analysis of the Health Improvement Network Primary Care Database. AU - Pham,Tra My, AU - Carpenter,James R, AU - Morris,Tim P, AU - Sharma,Manuj, AU - Petersen,Irene, Y1 - 2019/12/31/ PY - 2019/08/17/received PY - 2019/11/26/accepted PY - 2020/2/6/entrez PY - 2020/2/6/pubmed PY - 2020/2/6/medline KW - electronic health records KW - ethnicity KW - missing not at random KW - multiple imputation KW - primary care database KW - type 2 diabetes SP - 1081 EP - 1088 JF - Clinical epidemiology VL - 11 N2 - Aims/Hypothesis: Type 2 diabetes mellitus is associated with high levels of disease burden, including increased mortality risk and significant long-term morbidity. The prevalence of diabetes differs substantially among ethnic groups. We examined the prevalence of type 2 diabetes diagnoses in the UK primary care setting. Methods: We analysed data from 404,318 individuals in The Health Improvement Network database, aged 0-99 years and permanently registered with general practices in London. The association between ethnicity and the prevalence of type 2 diabetes diagnoses in 2013 was estimated using a logistic regression model, adjusting for effect of age group, sex, and social deprivation. A multiple imputation approach utilising population-level information about ethnicity from the UK census was used for imputing missing data. Results: Compared with those of White ethnicity (5.04%, 95% CI 4.95 to 5.13), the crude percentage prevalence of type 2 diabetes was higher in the Asian (7.69%, 95% CI 7.46 to 7.92) and Black (5.58%, 95% CI 5.35 to 5.81) ethnic groups, while lower in the Mixed/Other group (3.42%, 95% CI 3.19 to 3.66). After adjusting for differences in age group, sex, and social deprivation, all minority ethnic groups were more likely to have a diagnosis of type 2 diabetes compared with the White group (OR Asian versus White 2.36, 95% CI 2.26 to 2.47; OR Black versus White 1.65, 95% CI 1.56 to 1.73; OR Mixed/Other versus White 1.17, 95% CI 1.08 to 1.27). Conclusion: The prevalence of type 2 diabetes was higher in the Asian and Black ethnic groups, compared with the White group. Accurate estimates of ethnic prevalence of type 2 diabetes based on large datasets are important for facilitating appropriate allocation of public health resources, and for allowing population-level research to be undertaken examining disease trajectories among minority ethnic groups, that might help reduce inequalities. SN - 1179-1349 UR - https://www.unboundmedicine.com/medline/citation/32021464/full_citation L2 - https://dx.doi.org/10.2147/CLEP.S227621 DB - PRIME DP - Unbound Medicine ER -
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