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Journal Title:

JMIR mHealth and uHealth


Volume 5, Number 1


JMIR Publications | 2017-01-31, Pages e2-e2

Type of Work:

Article | Final Publisher PDF

Abstract: Background: Targeted interventions have improved physical activity and wellness of medical residents. However, no exercise interventions have focused on emergency medicine residents.Objective: This study aimed to measure the effectiveness of a wearable device for tracking physical activity on the exercise habits and wellness of this population, while also measuring barriers to adoption and continued use.Methods: This pre-post cohort study enrolled 30 emergency medicine residents. Study duration was 6 months. Statistical comparisons were conducted for the primary end point and secondary exercise end points with nonparametric tests. Descriptive statistics were provided for subjective responses.Results: The physical activity tracker did not increase the overall self-reported median number of days of physical activity per week within this population: baseline 2.5 days interquartile range, IQR, 1.9 versus 2.8 days IQR 1.5 at 1 month P=.36. There was a significant increase in physical activity from baseline to 1 month among residents with median weekly physical activity level below that recommended by the Centers for Disease Control and Prevention at study start, that is, 1.5 days IQR 0.9 versus 2.4 days IQR 1.2; P=.04, to 2.0 days IQR 2.0; P=.04 at 6 months. More than half 60%, 18-30 of participants reported a benefit to their overall wellness, and 53% 16-30 reported a benefit to their physical activity. Overall continued use of the device was 67% 20-30 at 1 month and 33% 10-30 at 6 months.Conclusions: The wearable physical activity tracker did not change the overall physical activity levels among this population of emergency medicine residents. However, there was an improvement in physical activity among the residents with the lowest preintervention physical activity. Subjective improvements in overall wellness and physical activity were noted among the entire study population.

Subjects: Health Sciences, Public Health - Health Sciences, Recreation - Keywords: activity trackers - medical residency - mobile health - personal fitness trackers - physical fitness trackers - wellness programs -

Autor: Justin Schrager, Philip Shayne, Sarah Wolf, Shamie Das, Rachel Patzer, Melissa White, Sheryl Heron,



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