Consistency, completeness and external validity of ethnicity recording in NHS primary care records: a cohort study in 25 million patients’ records at source using OpenSAFELY
Background: Ethnicity is known to be an important correlate of health outcomes, particularly during the COVID-19 pandemic, where some ethnic groups were shown to be at higher risk of infection and adverse outcomes. The recording of patients’ ethnic groups in primary care can support research and eff...
| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Format: | Journal article |
| Language: | English |
| Published: |
BioMed Central
2024
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| _version_ | 1811139978533535744 |
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| author | Andrews, CD Mathur, R Massey, J Park, R Curtis, HJ Hopcroft, L Mehrkar, A Bacon, S Hickman, G Smith, R Evans, D Ward, T Davy, S Inglesby, P Dillingham, I Maude, S O’Dwyer, T Butler-Cole, BFC Bridges, L Bates, C Parry, J Hester, F Harper, S Cockburn, J Goldacre, B MacKenna, B Walker, AJ Hulme, WJ |
| author_facet | Andrews, CD Mathur, R Massey, J Park, R Curtis, HJ Hopcroft, L Mehrkar, A Bacon, S Hickman, G Smith, R Evans, D Ward, T Davy, S Inglesby, P Dillingham, I Maude, S O’Dwyer, T Butler-Cole, BFC Bridges, L Bates, C Parry, J Hester, F Harper, S Cockburn, J Goldacre, B MacKenna, B Walker, AJ Hulme, WJ |
| author_sort | Andrews, CD |
| collection | OXFORD |
| description | Background: Ethnicity is known to be an important correlate of health outcomes, particularly during the COVID-19 pandemic, where some ethnic groups were shown to be at higher risk of infection and adverse outcomes. The recording of patients’ ethnic groups in primary care can support research and efforts to achieve equity in service provision and outcomes; however, the coding of ethnicity is known to present complex challenges. We therefore set out to describe ethnicity coding in detail with a view to supporting the use of this data in a wide range of settings, as part of wider efforts to robustly describe and define methods of using administrative data. Methods: We describe the completeness and consistency of primary care ethnicity recording in the OpenSAFELY-TPP database, containing linked primary care and hospital records in > 25 million patients in England. We also compared the ethnic breakdown in OpenSAFELY-TPP with that of the 2021 UK census. Results: 78.2% of patients registered in OpenSAFELY-TPP on 1 January 2022 had their ethnicity recorded in primary care records, rising to 92.5% when supplemented with hospital data. The completeness of ethnicity recording was higher for women than for men. The rate of primary care ethnicity recording ranged from 77% in the South East of England to 82.2% in the West Midlands. Ethnicity recording rates were higher in patients with chronic or other serious health conditions. For each of the five broad ethnicity groups, primary care recorded ethnicity was within 2.9 percentage points of the population rate as recorded in the 2021 Census for England as a whole. For patients with multiple ethnicity records, 98.7% of the latest recorded ethnicities matched the most frequently coded ethnicity. Patients whose latest recorded ethnicity was categorised as Other were most likely to have a discordant ethnicity recording (32.2%). Conclusions: Primary care ethnicity data in OpenSAFELY is present for over three quarters of all patients, and combined with data from other sources can achieve a high level of completeness. The overall distribution of ethnicities across all English OpenSAFELY-TPP practices was similar to the 2021 Census, with some regional variation. This report identifies the best available codelist for use in OpenSAFELY and similar electronic health record data. |
| first_indexed | 2024-09-25T04:14:40Z |
| format | Journal article |
| id | oxford-uuid:f14c6bd3-7332-44f2-a98f-16398c5ca096 |
| institution | University of Oxford |
| language | English |
| last_indexed | 2024-09-25T04:14:40Z |
| publishDate | 2024 |
| publisher | BioMed Central |
| record_format | dspace |
| spelling | oxford-uuid:f14c6bd3-7332-44f2-a98f-16398c5ca0962024-07-10T20:22:32ZConsistency, completeness and external validity of ethnicity recording in NHS primary care records: a cohort study in 25 million patients’ records at source using OpenSAFELYJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:f14c6bd3-7332-44f2-a98f-16398c5ca096EnglishJisc Publications RouterBioMed Central2024Andrews, CDMathur, RMassey, JPark, RCurtis, HJHopcroft, LMehrkar, ABacon, SHickman, GSmith, REvans, DWard, TDavy, SInglesby, PDillingham, IMaude, SO’Dwyer, TButler-Cole, BFCBridges, LBates, CParry, JHester, FHarper, SCockburn, JGoldacre, BMacKenna, BWalker, AJHulme, WJBackground: Ethnicity is known to be an important correlate of health outcomes, particularly during the COVID-19 pandemic, where some ethnic groups were shown to be at higher risk of infection and adverse outcomes. The recording of patients’ ethnic groups in primary care can support research and efforts to achieve equity in service provision and outcomes; however, the coding of ethnicity is known to present complex challenges. We therefore set out to describe ethnicity coding in detail with a view to supporting the use of this data in a wide range of settings, as part of wider efforts to robustly describe and define methods of using administrative data. Methods: We describe the completeness and consistency of primary care ethnicity recording in the OpenSAFELY-TPP database, containing linked primary care and hospital records in > 25 million patients in England. We also compared the ethnic breakdown in OpenSAFELY-TPP with that of the 2021 UK census. Results: 78.2% of patients registered in OpenSAFELY-TPP on 1 January 2022 had their ethnicity recorded in primary care records, rising to 92.5% when supplemented with hospital data. The completeness of ethnicity recording was higher for women than for men. The rate of primary care ethnicity recording ranged from 77% in the South East of England to 82.2% in the West Midlands. Ethnicity recording rates were higher in patients with chronic or other serious health conditions. For each of the five broad ethnicity groups, primary care recorded ethnicity was within 2.9 percentage points of the population rate as recorded in the 2021 Census for England as a whole. For patients with multiple ethnicity records, 98.7% of the latest recorded ethnicities matched the most frequently coded ethnicity. Patients whose latest recorded ethnicity was categorised as Other were most likely to have a discordant ethnicity recording (32.2%). Conclusions: Primary care ethnicity data in OpenSAFELY is present for over three quarters of all patients, and combined with data from other sources can achieve a high level of completeness. The overall distribution of ethnicities across all English OpenSAFELY-TPP practices was similar to the 2021 Census, with some regional variation. This report identifies the best available codelist for use in OpenSAFELY and similar electronic health record data. |
| spellingShingle | Andrews, CD Mathur, R Massey, J Park, R Curtis, HJ Hopcroft, L Mehrkar, A Bacon, S Hickman, G Smith, R Evans, D Ward, T Davy, S Inglesby, P Dillingham, I Maude, S O’Dwyer, T Butler-Cole, BFC Bridges, L Bates, C Parry, J Hester, F Harper, S Cockburn, J Goldacre, B MacKenna, B Walker, AJ Hulme, WJ Consistency, completeness and external validity of ethnicity recording in NHS primary care records: a cohort study in 25 million patients’ records at source using OpenSAFELY |
| title | Consistency, completeness and external validity of ethnicity recording in NHS primary care records: a cohort study in 25 million patients’ records at source using OpenSAFELY |
| title_full | Consistency, completeness and external validity of ethnicity recording in NHS primary care records: a cohort study in 25 million patients’ records at source using OpenSAFELY |
| title_fullStr | Consistency, completeness and external validity of ethnicity recording in NHS primary care records: a cohort study in 25 million patients’ records at source using OpenSAFELY |
| title_full_unstemmed | Consistency, completeness and external validity of ethnicity recording in NHS primary care records: a cohort study in 25 million patients’ records at source using OpenSAFELY |
| title_short | Consistency, completeness and external validity of ethnicity recording in NHS primary care records: a cohort study in 25 million patients’ records at source using OpenSAFELY |
| title_sort | consistency completeness and external validity of ethnicity recording in nhs primary care records a cohort study in 25 million patients records at source using opensafely |
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