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by steder 5260 days ago
Your numbers are also consistent with the GP point that calorie restriction works in the short term until your body decides it's being starved and your weight plateaus. What's your data say about users that have used your app for 8 weeks, 16 weeks, 52 weeks, etc.
1 comments

8 weeks = 18.8

24 weeks = 27.2

52 weeks = 33.8

These numbers are tricky though because the longer someone uses Lose It! the greater chance they hit their goal weight and no longer are trying to lose weight. Also, a lot of the really dedicated loggers that have been around a year or more are often high performance athletes that never intended to lose weight in the first place. They are just using the service out of discipline to their trade.

The average weight loss of all users that have achieved their goal and maintained it for at least 2 weeks is 21 pounds. This kind of backs up the idea that weight loss will slow over 52 weeks (on my service) because most people that achieved their goal only had 21 pounds to lose in the first place.