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Automated Diet Capture Using Voice Alerts and Speech Recognition on Smartphones: Pilot Usability and Acceptability Study

Automated Diet Capture Using Voice Alerts and Speech Recognition on Smartphones: Pilot Usability and Acceptability Study

Daily active users were defined as the number of users who log their food intake at least once per given study day. In phase II of the study, participants could choose when they wanted the app to remind them to log their food intake. We tracked how often users on both arms changed their alert times using Cloud Firestore [29]. We also enabled the participants to modify their diet logs at any time during the study and tracked this variable as well.

Lucy Chikwetu, Shaundra Daily, Bobak J Mortazavi, Jessilyn Dunn

JMIR Form Res 2023;7:e46659