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Evaluating the Validity and Feasibility of a Smartwatch-based Eating Detection System to Passively and Automatically Detect Eating Events in Child-parent Dyads
Sponsor: Pennington Biomedical Research Center
Summary
This study will test the validity and feasibility of an smartwatch-based system to detect eating and drinking events in both laboratory and free-living conditions.
Key Details
Gender
All
Age Range
8 Years - 12 Years
Study Type
OBSERVATIONAL
Enrollment
35
Start Date
2025-12
Completion Date
2026-12
Last Updated
2025-12-24
Healthy Volunteers
Yes
Conditions
Interventions
Smartwatch and EMA-based eating behavior tracking
Participants (child-parent dyads) will wear a smartwatch on their dominant hand during a laboratory session and for three days in free-living conditions. In the lab, dyads will perform eating-related activities (e.g., eating with utensils, eating with hands, drinking) and non-eating activities (e.g., walking, writing, brushing teeth) while being video recorded for ground truth validation. Parents will receive a 20-minute training on using Ecological Momentary Assessment (EMA) prompts to record meal and snack times and will respond to EMA reminders during the free-living period. Adherence will be monitored through smartwatch wear time and EMA response rates.