NCT03524183

Brief Summary

The VFB Ecosystem capitalizes on digital technologies' ability to connect parents and children, allowing parents to actively support their child's physical activity, even when parents cannot be present. The VFB is a kiosk-based system that houses a virtual dog programmed to allow children to set self-determined physical activity goals. The children wear Fitbits while performing physical activity. Using the unique data embedded in the Fitbit, the kiosk is able to detect each individual child and automatically connect him or her to a unique, personalized virtual dog. Physical activity data is transmitted automatically from the Fitbit to the kiosk when the child approaches, and the virtual dog provides accurate evaluations of whether the child met the self-determined physical activity goal, offering words of encouragement and physical activity support. The virtual pet functions as a personalized fitness buddy to encourage children to set and meet physical activity goals, promote physical activity self-efficacy, and foster mutually supportive relationships among children, parents, and the virtual pet. This will be particularly helpful for children who receive insufficient amounts of social support in their current environment. Concurrently, the kiosk sends a text message to parents on the child's physical activity progress. Parents are then able to send words of encouragement and communicate with their children via the kiosk, using the text messaging feature of their mobile phones. Thus, even when the parent is not with the child, the virtual pet is designed to serve as a coordinating focus for facilitating parent-child communication. Parents will also receive text messages from the kiosk with a security code to access a website that provides detailed records of the child's physical activity over time.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
964

participants targeted

Target at P75+ for phase_2

Timeline
Completed

Started Aug 2018

Longer than P75 for phase_2

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

May 1, 2018

Completed
13 days until next milestone

First Posted

Study publicly available on registry

May 14, 2018

Completed
4 months until next milestone

Study Start

First participant enrolled

August 27, 2018

Completed
5.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2024

Completed
Last Updated

December 27, 2024

Status Verified

December 1, 2024

Enrollment Period

5.8 years

First QC Date

May 1, 2018

Last Update Submit

December 20, 2024

Conditions

Outcome Measures

Primary Outcomes (8)

  • Physical Activity

    Physical activity of participating children will be assessed with Fitbits and validated with Actigraphs.

    12 months

  • Height

    Height in meters

    12 months

  • Weight

    Weight in kilograms

    12 months

  • Waist circumference

    Waist circumference in centimeters

    12 months

  • Body fat percentage

    Body fat percentage in percentile

    12 months

  • Self-efficacy

    Self-reported perceived efficacy for physical activity

    12 months

  • Motivation

    Self-reported motivation for physical activity

    12 months

  • Parent-child relationship

    Self-reported parent-child relationship

    12 months

Study Arms (2)

Control

ACTIVE COMPARATOR

The children will receive the standard of care at their respective afterschool programs. As with the treatment group, all children will be asked to wear their Fitbits for one year following the intervention period, for the mid- and long-term follow up. Fitbit data will be recorded tracked year-round through the automated Fitbit data syncing stations at the afterschool program site. All participants will be assessed for PA and psychosocial variables at the same four measurement points for the treatment group.

Behavioral: Virtual Fitness Buddy Ecosystem

Treatment

EXPERIMENTAL

The virtual pet functions as a personalized fitness buddy to encourage children to set and meet physical activity goals, promote physical activity self-efficacy, and foster mutually supportive relationships among children, parents, and the virtual pet. Concurrently, the kiosk sends a text message to parents on the child's physical activity progress. Parents are then able to send words of encouragement and communicate with their children via the kiosk, using the text messaging feature of their mobile phones. Parents will also receive text messages from the kiosk with a security code to access a website that provides detailed records of the child's physical activity over time. Participants will be assessed for post-treatment measurements immediately after 3 months, 6 months after, and 12 months after the intervention.

Behavioral: Virtual Fitness Buddy Ecosystem

Interventions

The Virtual Fitness Buddy Ecosystem allows parents to stay involved in the intervention and support their children's PA efforts even when they cannot be with their children. A virtual pet, designed to mimic human-pet relationships in the physical world, will guide children to set and meet PA goals and offer tailored support. In collaboration with YMCA, 480 children and 480 parents in 24 afterschool programs will be randomly assigned to treatment and control groups. Afterschool programs in the treatment group will receive the Ecosystem intervention for 6-months; afterschool programs in the control group will not experience the Ecosystem. All children will complete baseline assessments, a 3-month posttest, and a 6-month and 12-month follow up. Parents and children will provide self-report data on their perceived social support, motivation, and PA self-efficacy. PA will be assessed with activity monitors, which children will wear throughout the project.

ControlTreatment

Eligibility Criteria

Age6 Years - 10 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)

You may qualify if:

  • Children must be between the ages of 6-10
  • Children must be daily participants in the specified afterschool program
  • Only one child (oldest) and one caregiver from each family can participate
  • Participating parent must be the caregiver for the child for the majority of the week

You may not qualify if:

  • Family has imminent plans for moving
  • Child has impairments that prevent unassisted physical activity
  • A non-residential parent who has little interaction with the child

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

YMCA of Metropolitan Atlanta

Atlanta, Georgia, 30303, United States

Location

MeSH Terms

Conditions

Motor Activity

Condition Hierarchy (Ancestors)

Behavior

Study Officials

  • Sun Joo (Grace) Ahn, Ph.D.

    University of Georgia

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
PARTICIPANT
Masking Details
The unit of randomization (control vs. treatment) is at the school level. Participants at each school will be masked of the other schools' assigned condition.
Purpose
PREVENTION
Intervention Model
PARALLEL
Model Details: The efficacy of the VFB Ecosystem will be tested using a cluster randomized trial with repeated measures at baseline, posttest (immediately after 3-month intervention), mid-term follow up (6 months post intervention), and a long-term follow up (12 months post intervention). A 3-month intervention period was selected to observe variance in engagement over the course of an academic semester in the afterschool programs. A cluster randomized design is indicated when outcomes are tracked at a group level (afterschool programs) instead of at the individual level (children) and is the preferred method to reduce the impact of dependency in the data. From a pool of 24 demographically matched afterschool programs, we will randomly assign pairs to either receive the Ecosystem or physical activity as usual. Outcomes will be modeled and expressed as changes occurring at the afterschool program level--the unit of randomization.
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor

Study Record Dates

First Submitted

May 1, 2018

First Posted

May 14, 2018

Study Start

August 27, 2018

Primary Completion

June 30, 2024

Study Completion

June 30, 2024

Last Updated

December 27, 2024

Record last verified: 2024-12

Data Sharing

IPD Sharing
Will share

The overriding aim of this project is to help tackle the childhood obesity epidemic, which of national importance. As such, all of the investigators are committed to ensuring widespread dissemination of our findings and to making the technologies developed freely available to other researchers. This will include publishing not just our evaluation results through appropriate scholarly journals and presentations at national meetings, but also our experiences and lessons learned during the design and development process. For example, our design documents will evolve on password-protected website that, upon completion of the project, will be made public (with teacher names removed) with contact details for the investigators included, and will be detailed in publications and presentations.

Shared Documents
STUDY PROTOCOL, SAP, ICF, CSR, ANALYTIC CODE
Access Criteria
Data files will be compiled as data collection progresses. After completion of the study, data analysis, and manuscript publication, the PI will share de-identified data with researchers who can verify certification to (a) work with Human Subjects and (b) complete an agreement with the host institution, the University of Georgia. Thus, following study completion, all data will be accessible to qualified researchers. Additionally, surveys created for the study will be hosted on university websites to be used free of charge by interested researchers. Treatment manuals and other materials will be made available upon request.

Locations