Published on in Vol 7, No 10 (2019): October
![Associations Between Heart Rate Variability Measured With a Wrist-Worn Sensor and Older Adults’ Physical Function: Observational Study Associations Between Heart Rate Variability Measured With a Wrist-Worn Sensor and Older Adults’ Physical Function: Observational Study](https://asset.jmir.pub/assets/051993661ac60f26c64f8b7f40810730.png 480w,https://asset.jmir.pub/assets/051993661ac60f26c64f8b7f40810730.png 960w,https://asset.jmir.pub/assets/051993661ac60f26c64f8b7f40810730.png 1920w,https://asset.jmir.pub/assets/051993661ac60f26c64f8b7f40810730.png 2500w)
1 Sam and Rose Stein Institute for Research on Aging, University of California San Diego, La Jolla, CA, United States
2 Department of Psychiatry, University of California San Diego, La Jolla, CA, United States
3 Department of Neurosciences, University of California San Diego, La Jolla, CA, United States
4 Department of Mathematics, University of California San Diego, La Jolla, CA, United States
5 Scalable Knowledge Intelligence, IBM Research – Almaden, San Jose, CA, United States, San Jose, CA, United States
6 VA San Diego Healthcare System, San Diego, CA, United States