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A Mobile App to Improve 24-Hour Movement Guideline Adherence in Preschoolers

A Home-Based Intervention to Improve Adherence to the 24-Hour Movement Guidelines in Young Children

Who can join

Ages 3 to 4 · All sexes · Healthy volunteers welcome

Inclusion (Child):

* Ages 3-4 years.
* Parent report that they meet 0 or 1 recommendation for physical activity, sleep, and screen-time as defined by the 24-hour movement guidelines. The physical activity recommendation is defined as greater than or equal to 3 hours/day of total physical activity, including 1 hour of moderate-to-vigorous physical activity. The sleep recommendation is defined as 10-13 hours/day. The sedentary behavior recommendation is defined as less than or equal to 1 hour/day of sedentary screen-time.

Inclusion (Parents):

* Parents must agree to use their mobile phone for the duration of the study (\~12 weeks) and download the mobile app onto their phone.
* The parent/caregiver is fluent in English to participate in testing the mobile app.
* The parent/caregiver must be willing to travel to KUMC to complete study visits.

Exclusion (child):

* Mobility limitations as reported by the parent.
* Meeting two or more recommendations for physical activity, sleep, and screen-time.
* Sibling or household member is participating or participated in the study.

About the study

The goal of this clinical trial is to evaluate whether a home-based mHealth intervention can improve adherence to the 24-Hour Movement Guidelines in preschool-aged children (3-4 years old) who currently meet 0 or 1 of the guidelines for physical activity, sedentary behavior, and sleep. The main questions it aims to answer are:

* Can the intervention increase the proportion of children meeting all three 24-Hour Movement Guidelines (physical activity, screen-time, and sleep)? * Is the intervention feasible for parents to implement, as measured by a parent feedback survey?

Researchers will compare an intervention group to a waitlist control group to assess whether the intervention leads to increased guideline adherence.

Parents and Participants:

* Children will wear an accelerometer to track physical activity and sleep patterns. * Parents will use a mobile app that delivers weekly lessons and behavior-related goals to encourage healthy movement behaviors in their children. * Parents will complete questionnaires on their child's movement behaviors and development at baseline, 6 weeks, and 12 weeks. * Additionally, children will undergo motor skills assessments, and parents will provide feedback on cognitive development and behavioral changes.

What is being tested

• Shining Star mHealth App (behavioral)

Sponsor: University of Kansas Medical Center · Participants: 80 · Started: Jan 29, 2025

Contact the study team

• Dr. Chelsea L Kracht, PhD · Phone: 913-588-1655
• Jesse D Lyle, MHSA · Phone: 785-766-1944

Official record on ClinicalTrials.gov — NCT06667661

Locations in the U.S.

Conditions

• Health Risks of an Inactive Lifestyle

From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.