The study team analyzed de-identified user data provided by the commercial app Lose It!, an entity of FitNow, Inc.

The study team analyzed de-identified user data collected by Lose It! for the purposes of investigating behavioral aspects of weight loss and maintenance, including engagement with the platform; user-reported data on diet, exercise, and other behaviors; data generated by Lose It! describing macronutrient or total calorie intake; periodicity of weight-related actions; user-reported demographic information; and any data from linked applications within Lose It!. All data was anonymized and exchanged as limited data sets.

Inclusion Criteria:

- New app users located in the U.S. and Canada, between 18 and 80 years of age, that are overweight (25 < BMI < 30) or obese (BMI > 30), who actively used the app each month from January to May of 2016, defined as users who logged food at least 8 times during the first or second half of each month (January, February, March, April and May).

Exclusion Criteria:

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New app users located in the U.S. and Canada, between 18 and 80 years of age, that are overweight (25 < BMI < 30) or obese (BMI > 30), who actively used the app each month from January to May of 2016, defined as users who logged food at least 8 times during the first or second half of each month (January, February, March, April and May).