Quantifying the association between ethnicity and COVID-19 mortality: a national cohort study protocol

<br><strong>Introduction </strong>Recent evidence suggests that ethnic minority groups are disproportionately at increased risk of hospitalisation and death from SARS-CoV-2 infection. Population-based evidence on potential explanatory factors across minority groups and within subgr...

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Main Authors: Dambha-Miller, H, Tan, PS, Saatci, D, Clift, AK, Zaccardi, F, Coupland, C, Locufier, P, Davies, F, Khunti, K, Griffin, SJ, Hippisley-Cox, J
Format: Journal article
Language:English
Published: BMJ Publishing Group 2021
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author Dambha-Miller, H
Tan, PS
Saatci, D
Clift, AK
Zaccardi, F
Coupland, C
Locufier, P
Davies, F
Khunti, K
Griffin, SJ
Hippisley-Cox, J
author_facet Dambha-Miller, H
Tan, PS
Saatci, D
Clift, AK
Zaccardi, F
Coupland, C
Locufier, P
Davies, F
Khunti, K
Griffin, SJ
Hippisley-Cox, J
author_sort Dambha-Miller, H
collection OXFORD
description <br><strong>Introduction </strong>Recent evidence suggests that ethnic minority groups are disproportionately at increased risk of hospitalisation and death from SARS-CoV-2 infection. Population-based evidence on potential explanatory factors across minority groups and within subgroups is lacking. This study aims to quantify the association between ethnicity and the risk of hospitalisation and mortality due to COVID-19. <br><strong> Methods and analysis </strong>This is a retrospective cohort study of adults registered across a representative and anonymised national primary care database (QResearch) that includes data on 10 million people in England. Sociodemographic, deprivation, clinical and domicile characteristics will be summarised and compared across ethnic subgroups (categorised as per 2011 census). Cox models will be used to calculate HR for hospitalisation and COVID-19 mortality associated with ethnic group. Potential confounding and explanatory factors (such as demographic, socioeconomic and clinical) will be adjusted for within regression models. The percentage contribution of distinct risk factor classes to the excess risks seen in ethnic groups/subgroups will be calculated. <br><strong> Ethics and dissemination </strong>The study has undergone ethics review in accordance with the QResearch agreement (reference OX102). Findings will be disseminated through peer-reviewed manuscripts, presentations at scientific meetings and conferences with national and international stakeholders.
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spelling oxford-uuid:8fe49e81-2a3f-4978-bc1f-628f117f05782022-03-26T23:07:41ZQuantifying the association between ethnicity and COVID-19 mortality: a national cohort study protocolJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:8fe49e81-2a3f-4978-bc1f-628f117f0578EnglishSymplectic ElementsBMJ Publishing Group2021Dambha-Miller, HTan, PSSaatci, DClift, AKZaccardi, FCoupland, CLocufier, PDavies, FKhunti, KGriffin, SJHippisley-Cox, J<br><strong>Introduction </strong>Recent evidence suggests that ethnic minority groups are disproportionately at increased risk of hospitalisation and death from SARS-CoV-2 infection. Population-based evidence on potential explanatory factors across minority groups and within subgroups is lacking. This study aims to quantify the association between ethnicity and the risk of hospitalisation and mortality due to COVID-19. <br><strong> Methods and analysis </strong>This is a retrospective cohort study of adults registered across a representative and anonymised national primary care database (QResearch) that includes data on 10 million people in England. Sociodemographic, deprivation, clinical and domicile characteristics will be summarised and compared across ethnic subgroups (categorised as per 2011 census). Cox models will be used to calculate HR for hospitalisation and COVID-19 mortality associated with ethnic group. Potential confounding and explanatory factors (such as demographic, socioeconomic and clinical) will be adjusted for within regression models. The percentage contribution of distinct risk factor classes to the excess risks seen in ethnic groups/subgroups will be calculated. <br><strong> Ethics and dissemination </strong>The study has undergone ethics review in accordance with the QResearch agreement (reference OX102). Findings will be disseminated through peer-reviewed manuscripts, presentations at scientific meetings and conferences with national and international stakeholders.
spellingShingle Dambha-Miller, H
Tan, PS
Saatci, D
Clift, AK
Zaccardi, F
Coupland, C
Locufier, P
Davies, F
Khunti, K
Griffin, SJ
Hippisley-Cox, J
Quantifying the association between ethnicity and COVID-19 mortality: a national cohort study protocol
title Quantifying the association between ethnicity and COVID-19 mortality: a national cohort study protocol
title_full Quantifying the association between ethnicity and COVID-19 mortality: a national cohort study protocol
title_fullStr Quantifying the association between ethnicity and COVID-19 mortality: a national cohort study protocol
title_full_unstemmed Quantifying the association between ethnicity and COVID-19 mortality: a national cohort study protocol
title_short Quantifying the association between ethnicity and COVID-19 mortality: a national cohort study protocol
title_sort quantifying the association between ethnicity and covid 19 mortality a national cohort study protocol
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