Published on in Vol 22, No 7 (2020): July

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/18059, first published .
Characterization and Correction of Bias Due to Nonparticipation and the Degree of Loyalty in Large-Scale Finnish Loyalty Card Data on Grocery Purchases: Cohort Study

Characterization and Correction of Bias Due to Nonparticipation and the Degree of Loyalty in Large-Scale Finnish Loyalty Card Data on Grocery Purchases: Cohort Study

Characterization and Correction of Bias Due to Nonparticipation and the Degree of Loyalty in Large-Scale Finnish Loyalty Card Data on Grocery Purchases: Cohort Study

Journals

  1. Konttinen H, Halmesvaara O, Fogelholm M, Saarijärvi H, Nevalainen J, Erkkola M. Sociodemographic differences in motives for food selection: results from the LoCard cross-sectional survey. International Journal of Behavioral Nutrition and Physical Activity 2021;18(1) View
  2. Rains T, Longley P. The provenance of loyalty card data for urban and retail analytics. Journal of Retailing and Consumer Services 2021;63:102650 View
  3. Vepsäläinen H, Nevalainen J, Kinnunen S, Itkonen S, Meinilä J, Männistö S, Uusitalo L, Fogelholm M, Erkkola M. Do we eat what we buy? Relative validity of grocery purchase data as an indicator of food consumption in the LoCard study. British Journal of Nutrition 2022;128(9):1780 View
  4. Erkkola M, Kinnunen S, Vepsäläinen H, Meinilä J, Uusitalo L, Konttinen H, Saarijärvi H, Fogelholm M, Nevalainen J, Fang W. A slow road from meat dominance to more sustainable diets: An analysis of purchase preferences among Finnish loyalty-card holders. PLOS Sustainability and Transformation 2022;1(6):e0000015 View
  5. Rantala E, Balatsas-Lekkas A, Sozer N, Pennanen K. Overview of objective measurement technologies for nutrition research, food-related consumer and marketing research. Trends in Food Science & Technology 2022;125:100 View
  6. Meinilä J, Hartikainen H, Tuomisto H, Uusitalo L, Vepsäläinen H, Saarinen M, Kinnunen S, Lehto E, Saarijärvi H, Katajajuuri J, Erkkola M, Nevalainen J, Fogelholm M. Food purchase behaviour in a Finnish population: patterns, carbon footprints and expenditures. Public Health Nutrition 2022;25(11):3265 View
  7. Uusitalo L, Nevalainen J, Rahkonen O, Erkkola M, Saarijärvi H, Fogelholm M, Lintonen T. Changes in alcohol purchases from grocery stores after authorising the sale of stronger beverages: The case of the Finnish alcohol legislation reform in 2018. Nordic Studies on Alcohol and Drugs 2022;39(6):589 View
  8. Katainen A, Uusitalo L, Saarijärvi H, Erkkola M, Rahkonen O, Lintonen T, Fogelholm M, Nevalainen J. Who buys non-alcoholic beer in Finland? Sociodemographic characteristics and associations with regular beer purchases. International Journal of Drug Policy 2023;113:103962 View
  9. Närvänen E, Mesiranta N, Saarijärvi H, Nevalainen J. Examining consumer food waste through grocery retailers' customer data: Segments and practical implications. International Journal of Consumer Studies 2023;47(4):1273 View
  10. Autio R, Virta J, Nordhausen K, Fogelholm M, Erkkola M, Nevalainen J. Tensorial Principal Component Analysis in Detecting Temporal Trajectories of Purchase Patterns in Loyalty Card Data: Retrospective Cohort Study. Journal of Medical Internet Research 2023;25:e44599 View
  11. Møller F, Junker T, Kold Sørensen K, Eves C, Wohlfahrt J, Dillner J, Torp-Pedersen C, Wilkowski B, Chong S, Pers T, Yakimov V, Müller H, Ethelberg S, Melbye M. Assessing household lifestyle exposures from consumer purchases, the My Purchases cohort. Scientific Reports 2023;13(1) View
  12. Fogelholm M, Vepsäläinen H, Meinilä J, McRae C, Saarijärvi H, Erkkola M, Nevalainen J. The dynamics in food selection stemming from price awareness and perceived income adequacy: a cross-sectional study using 1-year loyalty card data. The American Journal of Clinical Nutrition 2024 View
  13. Sørensen K, Andersen M, Møller F, Eves C, Junker T, Zareini B, Torp-Pedersen C. Cohort profile: The Health, Food, Purchases and Lifestyle (SMIL) cohort – a Danish open cohort. BMJ Open 2024;14(3):e078773 View
  14. Kilpeläinen K, Ståhl T, Ylöstalo T, Keski-Kuha T, Nyrhinen R, Koponen P, Gissler M. Citizens’ digital footprints to support health promotion at the local level—PUHTI study, Finland. European Journal of Public Health 2024;34(4):676 View
  15. Kanerva N, Kinnunen S, Nevalainen J, Vepsäläinen H, Fogelholm M, Saarijärvi H, Meinilä J, Erkkola M. Building nutritionally meaningful classification for grocery product groups: the LoCard Food Classification process. British Journal of Nutrition 2024;132(6):770 View
  16. Skatova A. Overcoming biases of individual level shopping history data in health research. npj Digital Medicine 2024;7(1) View