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Activity Number: 247 - Wearable/Implantable Device Data in Clinical Trials
Type: Invited
Date/Time: Tuesday, August 4, 2020 : 1:00 PM to 2:50 PM
Sponsor: Section on Medical Devices and Diagnostics
Abstract #309455
Title: Normalization of Minute-Level Activity Counts from Chest- and Wrist-Worn Accelerometers: An Example of Actiheart, Actiwatch, and Actigraph
Author(s): Vadim Zipunnikov* and Jiawei Bai
Companies: Johns Hopkins University, Bloomberg School of Public Health and Johns Hopkins Bloomberg School of Public Health
Keywords: wearables; harmonization; Semiparametric Gaussian Copula

Wearables provide a much more complete view of physical activity, sleep, and circadian rhythmicity and their association with mental health disorders, most of the studies use different devices placed at different parts of the body. Thus, there is a critical need of harmonizing these assessments across clinical and population samples to facilitate more comprehensive cross-study analyses. We will present three novel harmonization approaches that efficiently addresses this challenge.

Authors who are presenting talks have a * after their name.

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