The Mobile Lifestyle Intervention for Food and Exercise Study

Study Results

Results available

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Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

243 participants

Study Classification

INTERVENTIONAL

Study Start Date

2022-03-01

Study Completion Date

2025-09-30

Brief Summary

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The goal of the study is to examine long term sustained weight loss digital intervention in a diverse cohort of adults with overweight/obesity. The intervention includes social gaming (using game-like elements in nongame contexts to promote supportive social interactions and openness to positive behavioral influences) to reward behaviors, such as self-monitoring and social support.

Investigators will accomplish objectives and test hypotheses by following two specific primary aims:

1. Determine if the intervention plus gaming produces significantly more weight loss at 12 months than the same intervention without gaming among 240 adults with overweight or obesity and ≥3 T2DM risk factors.
2. Examine the differences in social support provision and receipt between groups at 12 months.

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Detailed Description

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This is a 1-year behavioral intervention with standardized behavioral content that reinforces self-monitoring behavior delivered via twice-weekly podcasts, tips of the day, weight, physical activity and diet daily tracking. The mLife App will also encourage and facilitate social support among participants (to both groups).

Participants will be randomized to one of two groups: 1) a gamified mLIFE app (n=120) or 2) regular mLIFE app (n=120). Participants will attend a study orientation, complete all baseline measures, be randomized, and then attend a training session for their group. In addition, participants will complete assessment at 6 and 12 months.

Conditions

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Overweight and Obesity Type2 Diabetes

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Participants Outcome Assessors

Study Groups

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Gamified mLIFE app group

Participants allocated to this group will be provided with elements of social gaming and healthy competition within the mLIFE app.

Group Type EXPERIMENTAL

Podcasts and tips of the day (within app)

Intervention Type BEHAVIORAL

Participants will receive twice weekly podcasts and daily tips of the day, with nutrition and exercise information, audio diary and goal setting.

mLIFE app (self-regulation features)

Intervention Type BEHAVIORAL

Diet (track by in app database), physical activity (tracked with FitBit and synced with mLIFE app), and weight (tracked with FitBit scale and synced with mL app) tracking app components. App notifications and reminders and newsfeeds.

mLIFE app (social support features)

Intervention Type BEHAVIORAL

The gamified mLIFE app contains several components to help facilitate social gaming and support. This includes a newsfeed, to view the progress of other users, the ability to send others encouragement ("likes/thumbs-up") for achieving goals, user-to-user messaging system so active users of the app will be prompted to select send encouraging messages to other group members.

For the experimental group, the app also includes features that facilitate healthy competition among participants through receipt of points for provision of social support and tracking health behaviors.

standard mLIFE app

Participants in this group will receive the same intervention as the experimental group, but some features of the App will not facilitate gaming or competition.

Group Type ACTIVE_COMPARATOR

Podcasts and tips of the day (within app)

Intervention Type BEHAVIORAL

Participants will receive twice weekly podcasts and daily tips of the day, with nutrition and exercise information, audio diary and goal setting.

mLIFE app (self-regulation features)

Intervention Type BEHAVIORAL

Diet (track by in app database), physical activity (tracked with FitBit and synced with mLIFE app), and weight (tracked with FitBit scale and synced with mL app) tracking app components. App notifications and reminders and newsfeeds.

standard mLIFE app (social support features)

Intervention Type BEHAVIORAL

The standard mLIFE app has the ability to send others encouragement ("likes/thumbs-up") for achieving goals and a user-to-user messaging system so active users of the app will be prompted to select send encouraging messages to other group members.

Interventions

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Podcasts and tips of the day (within app)

Participants will receive twice weekly podcasts and daily tips of the day, with nutrition and exercise information, audio diary and goal setting.

Intervention Type BEHAVIORAL

mLIFE app (self-regulation features)

Diet (track by in app database), physical activity (tracked with FitBit and synced with mLIFE app), and weight (tracked with FitBit scale and synced with mL app) tracking app components. App notifications and reminders and newsfeeds.

Intervention Type BEHAVIORAL

mLIFE app (social support features)

The gamified mLIFE app contains several components to help facilitate social gaming and support. This includes a newsfeed, to view the progress of other users, the ability to send others encouragement ("likes/thumbs-up") for achieving goals, user-to-user messaging system so active users of the app will be prompted to select send encouraging messages to other group members.

For the experimental group, the app also includes features that facilitate healthy competition among participants through receipt of points for provision of social support and tracking health behaviors.

Intervention Type BEHAVIORAL

standard mLIFE app (social support features)

The standard mLIFE app has the ability to send others encouragement ("likes/thumbs-up") for achieving goals and a user-to-user messaging system so active users of the app will be prompted to select send encouraging messages to other group members.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Must be between 18-65 years old
* ≥3 T2DM risk factors (as defined by the American Diabetes Association)
* Own and use a smartphone with a data plan
* BMI must be between 25-49.9 kg/m2
* Must be willing to reduce caloric intake and increase physical activity
* Not currently participating in a weight loss study in a weight loss program
* Be free of major health or psychiatric diseases, drug or alcohol dependency.
* No current use of medications that may impact blood glucose

Exclusion Criteria

* Over the age of 65 years old
* Currently participating in a weight loss program
* Has lost more than 10 pounds in the past 6 months
* Diagnosed with type 2 diabetes

Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes