Analysis of De-identified Data From Commercially-available App Lose It!

Status

Completed

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT03136692

Enrollment

7007

Registered

2017-05-02

Start date

2016-05-01

Completion date

2018-12-01

Last updated

2022-10-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Overweight and Obesity

Keywords

app, weight loss, diet, behavior

Brief summary

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

Detailed description

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.

Interventions

BEHAVIORALLose It! commercial weight loss app

Lose It! is a commercial weight loss smart phone app designed for easy caloric tracking. It provides a free mobile and web interface for users to construct an individualized weight loss plan by entering their goal weight and desired weekly weight loss. Using the user's height, current weight, gender and age, the app generates a daily caloric budget designed for the user to reach their goal. Users can then log their caloric intake, exercise, and weight to track progress toward their goal.

Study design

Observational model

COHORT

Time perspective

RETROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to 80 Years

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

Design outcomes

Primary

Measure	Time frame	Description
Percent body weight lost	five months	Percent body weight lost over first five months of 2016

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 24, 2026