Health and Fitness

Evaluation of physical health status beyond daily step count using a wearable activity sensor

Z. Xu, N. Zahradka, et al.

This study reveals the potential of Fitbit data beyond simple step counts, highlighting its use in assessing physical health in individuals with Pulmonary Arterial Hypertension. The authors, including Zheng Xu and Nicole Zahradka from Johns Hopkins University, found significant correlations between various Fitbit metrics and clinical parameters, suggesting wearable technology can provide critical insights into health monitoring.

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Abstract

This study explored the use of Fitbit data beyond daily step count to assess physical health status in 22 individuals with Pulmonary Arterial Hypertension (PAH). Minute-to-minute step rate and heart rate data were analyzed to derive various metrics related to physical activity and cardiovascular function. These metrics were then correlated with clinical parameters and used to identify subgroups of patients. Several Fitbit metrics showed strong correlations with clinical parameters, and thresholding revealed statistically significant differences in clinical parameters between subgroups based on Fitbit metrics. This suggests that wearable activity monitors offer a wealth of data beyond daily step count that can provide valuable insights into an individual's physical health.

Publisher

npj Digital Medicine

Published On

Nov 09, 2022

Authors

Zheng Xu, Nicole Zahradka, Seyvonne Ip, Amir Koneshloo, Ryan T. Roemmich, Sameep Sehgal, Kristin B. Highland, Peter C. Searson

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