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

NCT06245369 | Completed

• 1 other identifier: Pro00132921
• Study Type: interventional
• Target: 106
• Locations: 1 country
• Sites: 1

Brief Summary

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.

Conditions

Overweight and Obesity; Pre-diabetes

Keywords

Healthy diet, obesity, mobile technology, self-monitoring

Outcome Measures

Primary Outcomes (1)

• Change in Healthy Eating Index

  Change in Healthy Eating Index from baseline to 12 weeks as assessed by dietary recalls.

  12 weeks

Secondary Outcomes (1)

• Change in Body weight

  12 weeks

Study Arms (2)

SWITCH tracking healthy nutrients

EXPERIMENTAL

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: SWITCH app (self-regulation features) - Experimental

standard SWITCH app

ACTIVE COMPARATOR

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: SWITCH app (self-regulation features) - Comparator

Interventions

learning modules (within app) BEHAVIORAL

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

SWITCH tracking healthy nutrients; standard SWITCH app

SWITCH app (self-regulation features) - Experimental BEHAVIORAL

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.

SWITCH tracking healthy nutrients

SWITCH app (self-regulation features) - Comparator BEHAVIORAL

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.

standard SWITCH app

Eligibility Criteria

• Age: 18 Years - 65 Years
• Sex: all
• Healthy Volunteers: Yes
• Age Groups: Adult (18-64), Older Adult (65+)

You may qualify if:

• 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

You may not qualify if:

• 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.

Sponsors & Collaborators

• University of South Carolina: lead

Study Sites (1)

Prevention Research Center, University of South Carolina

Columbia, South Carolina, 29208, United States

Location

MeSH Terms

Conditions

Overweight; Obesity; Glucose Intolerance

Condition Hierarchy (Ancestors)

Overnutrition; Nutrition Disorders; Nutritional and Metabolic Diseases; Body Weight; Signs and Symptoms; Pathological Conditions, Signs and Symptoms; Hyperglycemia; Glucose Metabolism Disorders; Metabolic Diseases

Study Officials

• Brie Turner-McGrievy, PhD

  University of South Carolina

  PRINCIPAL INVESTIGATOR

Study Design

• Study Type: interventional
• Phase: not applicable
• Allocation: RANDOMIZED
• Masking: DOUBLE
• Who Masked: PARTICIPANT, OUTCOMES ASSESSOR
• Purpose: PREVENTION
• Intervention Model: PARALLEL
• Sponsor Type: OTHER
• Responsible Party: PRINCIPAL INVESTIGATOR
• PI Title: Professor

Study Record Dates

• First Submitted: January 29, 2024
• First Posted: February 7, 2024
• Study Start: April 15, 2024
• Primary Completion: February 14, 2025
• Study Completion: March 18, 2025
• Last Updated: March 21, 2025

Record last verified: 2025-03

Data Sharing

• IPD Sharing: Will share
• Shared Documents: STUDY PROTOCOL, SAP, ICF

Locations

US (1)