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Full-Text Articles in Medicine and Health Sciences
Website Usage And Weight Loss In A Free Commercial Online Weight Loss Program: Retrospective Cohort Study, Kevin O Hwang, Jing Ning, Amber W Trickey, Christopher N Sciamanna
Website Usage And Weight Loss In A Free Commercial Online Weight Loss Program: Retrospective Cohort Study, Kevin O Hwang, Jing Ning, Amber W Trickey, Christopher N Sciamanna
Journal Articles
BACKGROUND: Online weight loss programs are increasingly popular. However, little is known about outcomes and associations with website usage among members of free online weight loss programs.
OBJECTIVE: This retrospective cohort study examined the association between website usage and weight loss among members of a free commercial online weight loss program (SparkPeople).
METHODS: We conducted a retrospective analysis of a systematic random sample of members who joined the program during February 1 to April 30, 2008, and included follow-up data through May 10, 2010. The main outcome was net weight change based on self-reported weight. Measures of website usage included …