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](https://asset.jmir.pub/assets/4c209b93309d7c348007ceb8bb4e9931.png 480w,https://asset.jmir.pub/assets/4c209b93309d7c348007ceb8bb4e9931.png 960w,https://asset.jmir.pub/assets/4c209b93309d7c348007ceb8bb4e9931.png 1920w,https://asset.jmir.pub/assets/4c209b93309d7c348007ceb8bb4e9931.png 2500w)
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