Pennington Biomedical Research Center
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.
The study will: 1) determine whether the smartwatch-based system accurately detects eating events in child-parent dyads in controlled settings and 2) evaluate the feasibility and practicality of passively detecting eating events in child-parent dyads over 3 days in free-living settings. The study will include two phases. During the laboratory visit, child-parent dyads will wear the smartwatch on their dominant hand and perform activities including eating gestures. These activities will be recorded with a video camera, and the videos will be coded for the ground truth times of eating. In the se…
Inclusion Criteria: * Parents or caregivers (18-70 years) who have children aged 8-12 years * Child is willing and able to wear smartwatch during school hours (have not restrictions in the school setting) Exclusion Criteria: * Any condition or circumstance that could impede study completion * Child does not follow a regular eating pattern * Child eats less than 1 meal and 1 snack in a day * Child is restricted or allergic to the study foods * Refusal or unable to use the smartwatch to collect data for the 3-day period in free - living conditions * Parental refusal or unable to respond Ecolo…
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.
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