Large-scale and high-resolution analysis of food purchases and health outcomes

@article{Aiello2019LargescaleAH,
  title={Large-scale and high-resolution analysis of food purchases and health outcomes},
  author={Luca Maria Aiello and Rossano Schifanella and Daniele Quercia and Lucia Del Prete},
  journal={EPJ Data Science},
  year={2019},
  volume={8},
  pages={1-22}
}
To complement traditional dietary surveys, which are costly and of limited scale, researchers have resorted to digital data to infer the impact of eating habits on people’s health. However, online studies are limited in resolution: they are carried out at country or regional level and do not capture precisely the composition of the food consumed. We study the association between food consumption (derived from the loyalty cards of the main grocery retailer in London) and health outcomes (derived… 
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