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First received: May 26, 2023

Clinical Trial: PortionSize Study 3: Assessment in Free-living Conditions

Study Status: Completed

Recruit Status: RECRUITING

Condition: Dietary Habits

Study Type: OBSERVATIONAL


Official Title: The Reliability and Validity of the PortionSize™ and MyFitnessPal Apps (Study 3: Assessment in Free-living Conditions).

Brief Summary: The objective is to test the accuracy of the PortionSize™ app and the MyFitnessPal© app at measuring energy intake in free-living conditions, tested against the gold-standard, doubly labeled water.Participants will use PortionSize™ and MyFitnessPal apps in separate periods to test the accuracy of the respective apps.

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