| Title: | Causal attribution fractions, and the attribution of smoking and BMI to the landscape of disease incidence in UK Biobank |
| Journal: | Scientific Reports |
| Published: | 16 Nov 2022 |
| Pubmed: | https://pubmed.ncbi.nlm.nih.gov/36385622/ |
| DOI: | https://doi.org/10.1038/s41598-022-23877-4 |
| URL: | https://www.nature.com/articles/s41598-022-23877-4.pdf |
Publication 10691
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Abstract
Unlike conventional epidemiological studies that use observational data to estimate "associations" between risk factors and disease, the science of causal inference has identified situations where causal estimates can be made from observational data, using results such as the "backdoor criteria". Here these results are combined with established epidemiological methods, to calculate simple population attribution fractions that estimate the causal influence of risk factors on disease incidence, and can be estimated using conventional proportional hazards methods. A counterfactual argument gives an attribution fraction for individuals. Causally meaningful attribution fractions cannot be constructed for all risk factors or confounders, but they can for the important established risk factors of smoking and body mass index (BMI). Using the new results, the causal attribution of smoking and BMI to the incidence of 226 diseases in the UK Biobank are estimated, and summarised in terms of disease chapters from the International Classification of Diseases (ICD-10). The diseases most strongly attributed to smoking and BMI are identified, finding 11 with attribution fractions greater than 0.5, and a small number with protective associations. The results provide new tools to quantify the causal influence of risk factors such as smoking and BMI on disease, and survey the causal influence of smoking and BMI on the landscape of disease incidence in the UK Biobank population.</p>
1 Author
- Anthony J. Webster
1 Application
| Application ID | Title |
|---|---|
| 42583 | Statistical/Machine classification of disease |
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