Family fit app aims to get parents and kids moving together
NCT ID NCT06148246
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested a mobile app called Family Fit, paired with a Fitbit, to see if it could help families become more active and prevent weight gain. Thirty parent-child pairs (children ages 9-12) used the app for 12 weeks. The main goal was to see if families found the app easy and enjoyable to use, not to measure long-term health changes.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Family Fit mobile app and Fitbit activity tracker
- What this could lead to
- If successful, this could provide a convenient, family-friendly way to help parents and children become more active and avoid unhealthy weight gain.
- What could go wrong
- This was a small, early-stage study with only 30 participants, focused on whether people liked the app, not on proving it works. Results may not apply to everyone.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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30 people
The number who actually took part.
- Started
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Jan 2024
- Finished
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Jul 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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9 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: 1. Parent (or legal guardian) must: * Be between 18-65 years old * Use a mobile Apple or Android device (e.g., smartphone, tablet) * Have a mobile data plan or reliable access to home Wi-Fi * Have an active Facebook account 2. Child must: * Be 9-12 years old * Live in the residence of parent (at least 50% of the time) 3. Child and parent must: * Be able to speak and read English. * Be insufficiently physically active (adult: \<150 minutes/week moderate physical activity or \<75 minutes/week vigorous physical activity, child: \<6 days/week of 60 minutes moderate- to vigorous-intensity physical activity) * Be able to engage in physical activity. * Live within 75 miles of the UF campus Exclusion Criteria: 1. Parent currently, or trying to become, pregnant. 2. Current participation in a structured physical activity or weight loss program (children playing sports will be permitted) 3. Currently enrolled in a research study focused on changing diet or physical activity. 4. Use of weight loss medications 5. Child current use of Fitbit (or similar physical activity device) 6. History of eating disorder 7. One parent and one child per family unit may enroll
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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UF College of Health and Human Performance
Gainesville, Florida, 32611, United States
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