SWITCH Diets Study: Self-monitoring With Internet Technology to Choose Healthy Diets (SWITCH)

February 9, 2024 updated by: Brie Turner-McGrievy, University of South Carolina

Self-monitoring With Internet Technology to Choose Healthy Diets Study

The goal of the Self-monitoring With Internet Technology to Choose Healthy Diets (SWITCH) study is to examine a 12-week remotely delivered program designed to help adults adopt a healthy dietary lifestyle and lose weight in a diverse cohort of adults with overweight/obesity.

The intervention uses a self-determination theory framework to provide a deeper understanding of the factors that influence dietary behavior within the context of tracking. This study incorporates autonomy-supportive strategies to encourage participants to feel more in control of their dietary choices and will provide information and resources to boost participant's competence in achieving their dietary goals. The intervention includes weekly learning modules to support healthy eating and weight loss and daily dietary tracking with visual feedback, all accessible within the SWITCH app.

Study Overview

Status

Recruiting

Conditions

Intervention / Treatment

Detailed Description

The SWITCH study is a 12-week remotely delivered, randomized behavioral intervention. Participants will be randomized to one of two groups: 1) SWITCH tracking nutrients to decrease (n=50) or 2) SWITCH tracking nutrients to increase (n=50). 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 baseline and 12 weeks.

Intervention Design:

Diet tracking. Participants in both groups will be asked to track all meals, snacks, and beverages via the SWITCH app and complete a weekly learning module. Both groups will receive the same intervention, but the targeted nutrient goals and the in-app display of daily intake will differ between groups. Participants will be given goals to either increase certain nutrients or to decrease certain nutrients.

Diet related education to support healthy eating and weight loss will be provided each week within the SWITCH app. Each module includes some or all (as applicable) of the following components: A brief educational video discussing the week's topic, a video sharing ideas for applying the educational content into daily life, "meal swap" examples, a weekly goal or challenge and example recipes.

Study Type

Interventional

Enrollment (Estimated)

100

Phase

  • Not Applicable

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

Study Contact Backup

  • Name: Brie Turner-McGrievy, PhD
  • Phone Number: 803-777-3932
  • Email: brie@sc.edu

Study Locations

  • United States
    • South Carolina
      • Columbia, South Carolina, United States, 29208
        • Recruiting
        • Prevention Research Center, University of South Carolina
        • Contact:
        • Contact:
        • Principal Investigator:
          • Brie Turner-McGrievy, PhD

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

Yes

Description

Inclusion Criteria:

  • Age between 18 and 64 years.
  • BMI between 25 - 49.9 kg/m2
  • Have 2 risk factors for T2DM in addition to having overweight or obesity (as defined by the NIDDK).
  • Own and use a smartphone with a data plan.
  • Must be willing and able to change dietary intake.
  • Be free of major health or psychiatric diseases, drug, or alcohol dependency.
  • Willing to sign informed consent.
  • Own a digital body weight scale, have regular access, or be willing to purchase one

Exclusion Criteria:

  • Currently participating in a weight loss program
  • Has lost more than 10 pounds in the past 6 months.
  • Diagnosed with type 2 diabetes or currently using medications that may impact blood glucose.
  • Pregnant (or have been pregnant in the last 6 months), anticipating becoming pregnant in the next 12 months, or currently breastfeeding.
  • Having an eating disorder.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Prevention
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Experimental: SWITCH tracking healthy nutrients
Participants allocated to this group will be given goals to reach a recommended daily intake of nutrients in which US adults tend to not consume enough. Recommended amounts will be based off of age and sex, in line with the US Dietary Guidelines.
Behavioral: learning modules (within app)

Behavioral:

Participants will have access to a weekly learning module created as Kahoot courses. Each module will include some or all (as applicable) of the following:

  • A brief educational video discussing the week's topic
  • A brief video sharing ideas for applying the educational content into daily life
  • PDF of "meal swap" examples
  • A weekly goal or challenge
  • Recipes
Behavioral: SWITCH app (self-regulation features) - Experimental

Behavioral:

Diet (track by in app database). App homepage displays dietary intake graph -circles -. Participants will see an empty circles for the goal nutrients at the start of each day, which will fill up as the participant tracks his/her food intake. If the participant consumes an excess beyond the nutrient intake goal, the circle will remain entirely full.
Active Comparator: standard SWITCH app
Participants in this group will be given goals to reduce intake of nutrients in which US adults tend to consume too much. Personalized daily intake goals for nutrients will be based on age, weight, sex, and the US Dietary Guidelines.
Behavioral: learning modules (within app)

Behavioral:

Participants will have access to a weekly learning module created as Kahoot courses. Each module will include some or all (as applicable) of the following:

  • A brief educational video discussing the week's topic
  • A brief video sharing ideas for applying the educational content into daily life
  • PDF of "meal swap" examples
  • A weekly goal or challenge
  • Recipes
Behavioral: SWITCH app (self-regulation features) - Comparator

Diet (track by in app database). App homepage displays dietary intake graph -circles -.

Participants allocated to the control group, tracking intake of nutrients to lower, will see a full circle at the start of each day which depletes, or empties, as the participant tracks his/her food intake. If the participant consumes an excess beyond the nutrient intake goal, the circle will remain entirely empty and the reported totals below the intake circles will display the current intake totals.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change in Healthy Eating Index
Time Frame: 12 weeks
Change in Healthy Eating Index from baseline to 12 weeks as assessed by dietary recalls.
12 weeks

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Change in Body weight
Time Frame: 12 weeks
Change in Body weight assessed by home scale - self-report data confirmed by photo
12 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

University of South Carolina

Investigators

  • Principal Investigator: Brie Turner-McGrievy, PhD, University of South Carolina

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

April 1, 2024

Primary Completion (Estimated)

December 18, 2024

Study Completion (Estimated)

January 20, 2025

Study Registration Dates

First Submitted

January 29, 2024

First Submitted That Met QC Criteria

January 29, 2024

First Posted (Actual)

February 7, 2024

Study Record Updates

Last Update Posted (Actual)

February 13, 2024

Last Update Submitted That Met QC Criteria

February 9, 2024

Last Verified

February 1, 2024

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • Pro00132921

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

YES

IPD Sharing Supporting Information Type

  • STUDY_PROTOCOL
  • SAP
  • ICF

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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