Published on in Vol 8, No 12 (2020): December

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/22090, first published .
Comparison of the Physical Activity Measured by a Consumer Wearable Activity Tracker and That Measured by Self-Report: Cross-Sectional Analysis of the Health eHeart Study

Comparison of the Physical Activity Measured by a Consumer Wearable Activity Tracker and That Measured by Self-Report: Cross-Sectional Analysis of the Health eHeart Study

Comparison of the Physical Activity Measured by a Consumer Wearable Activity Tracker and That Measured by Self-Report: Cross-Sectional Analysis of the Health eHeart Study

Alexander J Beagle 1, MD;  Geoffrey H Tison 2, MPH, MD;  Kirstin Aschbacher 2, PhD;  Jeffrey E Olgin 2, MD;  Gregory M Marcus 2, MAS, MD;  Mark J Pletcher 3, MPH, MD

1 Department of Medicine, University of California San Francisco , San Francisco, CA, US

2 Division of Cardiology, Department of Medicine, University of California San Francisco, San Francisco, CA, US

3 Department of Epidemiology and Biostatistics, University of California San Francisco , San Francisco, CA, US

Corresponding Author: