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January 1, 2025Journal of Physical Activity and Health

Identifying Optimal Moments for Delivering Digital Prompts to Reduce Prolonged Sedentary Behavior in Older Adults: An Intensive Longitudinal Study Using Sensor-Triggered Ecological Momentary Assessment

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Authors

SCSofie CompernolleLVLaura Van de VeldeGCGreet Cardon

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Overview

Intensive longitudinal study shows optimal moments to deliver prompts enhance willingness to reduce sedentary behavior in older adults, indicating key contextual factors.

Key Points

  • Older adults were most vulnerable to prolonged sedentary behavior while watching TV, with 36.3% prevalence.
  • Contextual factors, such as feelings of fatigue and pain, influenced willingness to interrupt sedentary behavior.
  • Ecological momentary assessment was used to track activity and context over 14 days, yielding 2580 data points.
  • Findings support the design of just-in-time adaptive interventions for timely prompts to reduce prolonged sedentary behavior.

Cite This Study

Compernolle et al. (2025) studied this question.

synapsesocial.com/papers/68af4760ad7bf08b1ead45achttps://doi.org/10.1123/jpah.2025-0118
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