Fitbit's accuracy to measure short bouts of stepping and sedentary behaviour: validation, sensitivity and specificity study

• Published in: Digital health Vol. 10; p. 20552076241262710
• Main Authors: Delobelle, Julie, Lebuf, Elien, Dyck, Delfien Van, Compernolle, Sofie, Janek, Michael, Backere, Femke De, Vetrovsky, Tomas
• Format: Journal Article
• Language: English
• Published: London, England SAGE Publications 01.01.2024; Sage Publications Ltd; SAGE Publishing
• Subjects: Accuracy; Older people; Original; Sedentary behavior; accelerometry; wearable; JITAI; sedentary behaviour; step; event-based ecological momentary assessment (EMA); just-in-time adaptive intervention; Fitbit; ecological momentary assessment; physical activity

Objective This study aims to assess the suitability of Fitbit devices for real-time physical activity (PA) and sedentary behaviour (SB) monitoring in the context of just-in-time adaptive interventions (JITAIs) and event-based ecological momentary assessment (EMA) studies. Methods Thirty-seven adults...