Published on in Vol 8, No 9 (2020): September

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/16953, first published .
Validity and Usability of a Smartphone Image-Based Dietary Assessment App Compared to 3-Day Food Diaries in Assessing Dietary Intake Among Canadian Adults: Randomized Controlled Trial

Validity and Usability of a Smartphone Image-Based Dietary Assessment App Compared to 3-Day Food Diaries in Assessing Dietary Intake Among Canadian Adults: Randomized Controlled Trial

Validity and Usability of a Smartphone Image-Based Dietary Assessment App Compared to 3-Day Food Diaries in Assessing Dietary Intake Among Canadian Adults: Randomized Controlled Trial

Yuwei Ji   1 , MSc, RD ;   Hugues Plourde   1 , PhD, RD ;   Valerie Bouzo   1 , BSc ;   Robert D Kilgour   2, 3 , PhD ;   Tamara R Cohen   2, 4 , PhD, RD

1 School of Human Nutrition, McGill University, Montreal, QC, Canada

2 PERFORM Centre, Concordia University, Montreal, QC, Canada

3 Department of Health, Kinesiology, and Applied Physiology, Concordia University, Montreal, QC, Canada

4 Faculty of Land and Food Systems, Food, Nutrition and Health, University of British Columbia, Vancouver, BC, Canada

Corresponding Author:

  • Tamara R Cohen, PhD, RD
  • Faculty of Land and Food Systems
  • Food, Nutrition and Health
  • University of British Columbia
  • 218-2205 East Mall
  • Vancouver, BC, V6T 1Z4
  • Canada
  • Phone: 1 604-827-0362
  • Email: tamara.cohen@ubc.ca