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](https://asset.jmir.pub/assets/6a9b40288597a132e8c8cdcd3398fd4a.png 480w,https://asset.jmir.pub/assets/6a9b40288597a132e8c8cdcd3398fd4a.png 960w,https://asset.jmir.pub/assets/6a9b40288597a132e8c8cdcd3398fd4a.png 1920w,https://asset.jmir.pub/assets/6a9b40288597a132e8c8cdcd3398fd4a.png 2500w)
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