Published on in Vol 10, No 7 (2022): July

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/38077, first published .
Comparison of Accelerometry-Based Measures of Physical Activity: Retrospective Observational Data Analysis Study

Comparison of Accelerometry-Based Measures of Physical Activity: Retrospective Observational Data Analysis Study

Comparison of Accelerometry-Based Measures of Physical Activity: Retrospective Observational Data Analysis Study

Marta Karas 1*, MS, PhD;  John Muschelli 1*, MS, PhD;  Andrew Leroux 2, MS, PhD;  Jacek K Urbanek 3, MEng, PhD;  Amal A Wanigatunga 4, MPH, PhD;  Jiawei Bai 1, MS, PhD;  Ciprian M Crainiceanu 1, MS, PhD;  Jennifer A Schrack 3, 4, MS, PhD

1 Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, US

2 Department of Biostatistics and Informatics, Colorado School of Public Health, University of Colorado, Aurora, CO, US

3 Center on Aging and Health, Division of Geriatric Medicine and Gerontology, Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, US

4 Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, US

*these authors contributed equally

Corresponding Author:

  • Jennifer A Schrack, MS, PhD
  • Department of Epidemiology
  • Bloomberg School of Public Health
  • Johns Hopkins University
  • 615 N Wolfe St
  • Baltimore, MD
  • US
  • Phone: 1 410-303-1723
  • Email: jschrac1@jhu.edu