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Cohort profile: creation of the SAIL MELD-B e-cohort (SMC) and SAIL MELD-B children and young adult e-cohort (SMYC) to investigate the lived experience of the ‘burdensomeness’ of multimorbidity

Roberta Chiovoloni, Jakub J Dylag, Nisreen A Alwan, Ann Berrington, Michael Boniface, Nic Fair, Emilia Holland, Rebecca Hoyle Orcid Logo, Mozhdeh Shiranirad, Sebastian Stannard Orcid Logo, Zlatko Zlatev, Rhiannon K Owen, Simon Fraser Orcid Logo, Ashley Akbari Orcid Logo

BMJ Open, Volume: 15, Issue: 1, Start page: e087946

Swansea University Authors: Roberta Chiovoloni, Ashley Akbari Orcid Logo

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DOI (Published version): 10.1136/bmjopen-2024-087946

Abstract

Purpose We have established the SAIL MELD-B electronic cohort (e-cohort SMC) and the SAIL MELD-B children and Young adults e-cohort (SMYC) as a part of the Multidisciplinary Ecosystem to study Lifecourse Determinants and Prevention of Early-onset Burdensome Multimorbidity (MELD-B) project. Each coho...

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Published in: BMJ Open
ISSN: 2044-6055 2044-6055
Published: BMJ 2025
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URI: https://cronfa.swan.ac.uk/Record/cronfa68352
Abstract: Purpose We have established the SAIL MELD-B electronic cohort (e-cohort SMC) and the SAIL MELD-B children and Young adults e-cohort (SMYC) as a part of the Multidisciplinary Ecosystem to study Lifecourse Determinants and Prevention of Early-onset Burdensome Multimorbidity (MELD-B) project. Each cohort has been created to investigate and develop a deeper understanding of the lived experience of the ‘burdensomeness’ of multimorbidity by identifying new clusters of burdensomeness concepts, exploring early life risk factors of multimorbidity and modelling hypothetical prevention scenarios.Participants The SMC and SMYC are longitudinal e-cohorts created from routinely collected individual-level population-scale anonymised data sources available within the Secure Anonymised Information Linkage (SAIL) Databank. They include individuals with available records from linked health and demographic data sources in SAIL at any time between 1 January 2000 and 31 December 2022. The SMYC e-cohort is a subset of the SMC, including only individuals born on or after the cohort start date.Findings to date The SMC and SMYC cohorts include 5 180 602 (50.3% female and 49.7% male) and 896 155 (48.7% female and 51.3% male) individuals, respectively. Considering both primary and secondary care health data, the five most common long-term conditions for individuals in SMC are ‘Depression’, affecting 21.6% of the cohort, ‘Anxiety’ (21.1%), ‘Asthma’ (17.5%), ‘Hypertension’ (16.2%) and ‘Atopic Eczema’ (14.1%) and the five most common conditions for individuals in SMYC are ‘Atopic Eczema’ (21.2%), ‘Asthma’ (11.6%), ‘Anxiety’ (6.0%), ‘Deafness’ (4.6%) and ‘Depression’ (4.3%).Future plans The SMC and SMYC e-cohorts have been developed using a reproducible, maintainable concept curation pipeline, which allows for the cohorts to be updated dynamically over time and manages for the request and processing of further approved long-term conditions and burdensomeness concepts extraction. Best practices from the MELD-B project can be utilised across other projects, accessing similar data with population-scale data sources and trusted research environments.
Item Description: Cohort Profile
College: Faculty of Medicine, Health and Life Sciences
Funders: NIHR
Issue: 1
Start Page: e087946

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