Tesco grocery purchase retrospective, showing COVID-19 mortality correlated with myocardial infarction mortality risk factors. Salt, percentage of fat and oils, and total weight increased risk, while fiber was protective.
Pimenta et al., 11 May 2022, United Kingdom, peer-reviewed, 2 authors.
1411 Cardiovascular risk factor insights into the Tesco 1.0 Dataset
Pimenta D Doctor, Taubel J Doctor
Background: Tesco published an open-source dataset containing area-aggregated product purchase information from 420m transactions across 16m individual Clubcard users in the Great London area, at a borough level. This dataset is presented as a 'typical product' purchase for each borough, divided into 220 individual datapoints. Purpose: We wanted to explore dietary correlates with cardiovascular outcomes including age-standardised mortality rates for myocardial infarct, stroke, cardiac arrhythmia and COVID-19.
Methods: The Tesco 1.0 dataset was accessed on 1/11/21 and a sample of traditional dietary clinical risk and protective factor datapoints for each London borough were selected. Data for age-standardised mortality rates (ASMR) in each London borough were