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  • Title: Dietary self-monitoring, but not dietary quality, improves with use of smartphone app technology in an 8-week weight loss trial.
    Author: Wharton CM, Johnston CS, Cunningham BK, Sterner D.
    Journal: J Nutr Educ Behav; 2014; 46(5):440-4. PubMed ID: 25220777.
    Abstract:
    OBJECTIVE: Dietary self-monitoring is linked to improved weight loss success. Mobile technologies, such as smartphone applications (apps), might allow for improved dietary tracking adherence. The authors assessed the use of a popular smartphone app for dietary self-monitoring and weight loss by comparing it with traditional diet counseling and entry methods. METHODS: Diet tracking and weight loss were compared across participants during an 8-week weight loss trial. Participants tracked intake using 1 of 3 methods: the mobile app "Lose It!", the memo feature on a smartphone, or a traditional paper-and-pencil method. RESULTS: App users (n = 19) recorded dietary data more consistently compared with the paper-and-pencil group (n = 15; P = .042) but not the memo group (n = 13). All groups lost weight over the course of the study (P = .001), and no difference in weight loss was noted between groups. CONCLUSIONS AND IMPLICATIONS: Smartphone apps could represent a novel and feasible dietary self-monitoring method for individuals.
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