Characterization and correction of bias due to nonparticipation and the degree of loyalty in large-scale Finnish loyalty card data on grocery purchases: a retrospective cohort study

Anna-Leena Vuorinen (Corresponding Author), Maijalaiisa Erkkola, Mikael Fogelholm, Satu Kinnunen, Hannu Saarijärvi, Liisa Uusitalo, Turkka Näppilä, Jaakko Nevalainen

Research output: Contribution to journalArticleScientificpeer-review

Original languageEnglish
JournalJournal of Medical Internet Research
DOIs
Publication statusAccepted/In press - 2020
MoE publication typeA1 Journal article-refereed

Keywords

  • loyalty card data
  • diet
  • selection bias
  • weighting
  • raking
  • food

Cite this