Published on in Vol 10, No 7 (2022): July
![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](https://asset.jmir.pub/assets/868c502d868512857d7f6d9fb3a099e3.png 480w,https://asset.jmir.pub/assets/868c502d868512857d7f6d9fb3a099e3.png 960w,https://asset.jmir.pub/assets/868c502d868512857d7f6d9fb3a099e3.png 1920w,https://asset.jmir.pub/assets/868c502d868512857d7f6d9fb3a099e3.png 2500w)
1 Department of Biostatistics, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, United States
2 Department of Biostatistics and Informatics, Colorado School of Public Health, University of Colorado, Aurora, CO, United States
3 Center on Aging and Health, Division of Geriatric Medicine and Gerontology, Department of Medicine, School of Medicine, Johns Hopkins University, Baltimore, MD, United States
4 Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, United States
*these authors contributed equally