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Association of Smartwatch-Based Heart Rate and Physical Activity With Cardiorespiratory Fitness Measures in the Community: Cohort Study

Authors :
Yuankai Zhang
Xuzhi Wang
Chathurangi H Pathiravasan
Nicole L Spartano
Honghuang Lin
Belinda Borrelli
Emelia J Benjamin
David D McManus
Martin G Larson
Ramachandran S Vasan
Ravi V Shah
Gregory D Lewis
Chunyu Liu
Joanne M Murabito
Matthew Nayor
Source :
Journal of Medical Internet Research, Vol 26, p e56676 (2024)
Publication Year :
2024
Publisher :
JMIR Publications, 2024.

Abstract

BackgroundResting heart rate (HR) and routine physical activity are associated with cardiorespiratory fitness levels. Commercial smartwatches permit remote HR monitoring and step count recording in real-world settings over long periods of time, but the relationship between smartwatch-measured HR and daily steps to cardiorespiratory fitness remains incompletely characterized in the community. ObjectiveThis study aimed to examine the association of nonactive HR and daily steps measured by a smartwatch with a multidimensional fitness assessment via cardiopulmonary exercise testing (CPET) among participants in the electronic Framingham Heart Study. MethodsElectronic Framingham Heart Study participants were enrolled in a research examination (2016-2019) and provided with a study smartwatch that collected longitudinal HR and physical activity data for up to 3 years. At the same examination, the participants underwent CPET on a cycle ergometer. Multivariable linear models were used to test the association of CPET indices with nonactive HR and daily steps from the smartwatch. ResultsWe included 662 participants (mean age 53, SD 9 years; n=391, 59% women, n=599, 91% White; mean nonactive HR 73, SD 6 beats per minute) with a median of 1836 (IQR 889-3559) HR records and a median of 128 (IQR 65-227) watch-wearing days for each individual. In multivariable-adjusted models, lower nonactive HR and higher daily steps were associated with higher peak oxygen uptake (VO2), % predicted peak VO2, and VO2 at the ventilatory anaerobic threshold, with false discovery rate (FDR)–adjusted P values

Details

Language :
English
ISSN :
14388871
Volume :
26
Database :
Directory of Open Access Journals
Journal :
Journal of Medical Internet Research
Publication Type :
Academic Journal
Accession number :
edsdoj.9e5182e9c70429c97c986c03547143c
Document Type :
article
Full Text :
https://doi.org/10.2196/56676