Comparison of physical work intensity of emergency medicine (EM) residents and non-EM residents, measured on the smartwatch: a prospective study
- Author:
Dong Hyun LEE
1
;
Ji Hun KANG
;
Jae Kwang YU
;
Jae Gu JI
;
Si Won LEE
;
Chul Ho PARK
;
Yoo Sang YOON
;
Yang Weon KIM
Author Information
1. Department of Emergency Medicine, Inje University College of Medicine, Busan, Korea
- Publication Type:Original Article
- From:Journal of the Korean Society of Emergency Medicine
2022;33(2):211-219
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
Objective:The purpose of this study was to compare the physical work intensity of emergency medicine (EM) and non-EM residents during a 24-hour work duty cycle using a smartwatch.
Methods:This study was conducted for a month from 7 May to 4 June 2021. A total of 27 residents submitted their consent to be recruited as subjects for the study. We distributed a smartwatch to each of the participants and measured their physical work intensity. Twenty non-EM residents wore a smartwatch for a week. Also, seven EM residents wore a watch during the time they were on 24-hour duty for the whole research period. After finishing their 24-hour duty, participants took off the smartwatch and stopped recording their physical activities. Sixty-five samples were matched for comparison between the non-EM and EM residents. Each of the samples comprised a pair of 24-hour records of EM and non-EM residents. The data were matched to ensure the same date and grade and thus control the variables.
Results:The results of this study showed that the maximum heart rate of the EM residents was 129.7±3.8 beats/min, which was higher than that of the non-EM residents. A comparison of the sleep hours during the 24-hour duty showed that the average sleep time of the EM residents was 156.9±84.8 minutes, which was significantly lower than that of the non-EM residents. However, calorie consumption, moving distance, and step count during the 24-hour duty cycle showed no significant difference between the EM and non-EM residents.
Conclusion:The maximum heart rate was higher among EM residents during their 24-hour work duty compared to the non-EM residents. In addition, the sleep time of the EM residents was significantly lower than that of the non-EM residents.
