An 8-Week Web-Based Weight Loss Challenge With Celebrity Endorsement and Enhanced Social Support: Observational Study

Abstract

BACKGROUND Initial engagement and weight loss within Web-based weight loss programs may predict long-term success. The integration of persuasive Web-based features may boost engagement and therefore weight loss. OBJECTIVE To determine whether an 8-week challenge within a commercial Web-based weight loss program influenced weight loss, website use, and… (More)
DOI: 10.2196/jmir.2540

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