People who took part in a web-based weight loss program transitioned immediately from weight loss to regain without a maintenance period, in a study involving 75 individuals. The regain, however, slowed over time. Participants took part in a 12-week, web-based weight loss program. They weighed themselves using “smart” scales during the program and for an additional 9 months post-intervention. Investigators looked at weight change moves from weight loss to maintenance/regain. They observed 3 phases:
- In the first phase, participants lost an average of 0.46 kg/wk.
- In the second phase after ~80 days, they regained an average of 0.07 kg/wk.
- In the third phase, at ~7 months, they regained an average of 0.06 kg/wk.
The authors said they were able to identify baseline/demographic factors that predicted the timing of transition points and slope of weight change within phases.
Ross K, Qui P, You L, Wing R. Characterizing the pattern of weight loss and regain in adults enrolled in a 12-week internet-based weight management program. [Published online ahead of print December 13, 2017]. Obesity. doi:10.1002/oby.22083.
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