Excessive Daytime Sleepiness and Its Associated Factors among Emergency Medicine Residents in South Korea: A Nationwide Survey
Table 2
Comparison of the demographic characteristics and work environment of the EM residents according to EDS.
Variables
Group with EDS (N = 78)
Group without EDS (N = 163)
Age, years
30.2 ± 3.1
31.1 ± 3.4
0.066
Sex
0.087
Male
49 (62.8%)
120 (73.6%)
Female
29 (37.2%)
73 (26.4%)
Marital status
0.304
Unmarried
55 (70.5%)
104 (63.8%)
Married
23 (29.5%)
59 (36.2%)
Smoking habit
0.087
Yes
10 (12.8%)
36 (22.1%)
No
68 (87.2%)
127 (77.9%)
Alcohol consumption
0.041
Yes
40 (51.3%)
106 (65.0%)
No
38 (48.7%)
57 (35.0%)
Regular exercise
0.094
Yes
22 (28.2%)
64 (39.3%)
No
56 (71.8%)
99 (60.7%)
ESS
15.0 ± 3.4
6.3 ± 2.3
<0.001
WHW
69.4 ± 12.1
64.2 ± 11.6
0.001
NWM
10.9 ± 3.8
9.8 ± 3.4
0.038
Level of emergency medical center
0.108
Regional emergency center
33 (42.3%)
87 (53.4%)
Local emergency center
45 (57.7%)
76 (46.6%)
Satisfaction of work schedule
0.033
Unsatisfied
30 (38.5%)
39 (23.9%)
Fair
29 (37.2%)
62 (38.0%)
Satisfied
19 (24.4%)
62 (38.0%)
Available of recess
0.216
No
53 (67.9%)
94 (57.7%)
Irregular
12 (15.4%)
26 (16.0%)
Yes
13 (16.7%)
43 (26.4%)
Depression
<0.001
Yes
38 (48.7%)
32 (19.6%)
No
40 (51.3%)
131 (80.4%)
Variables are presented as mean ± standard deviation or number (%). EM, emergency medicine; EDS, excessive daytime sleepiness; ESS, Epworth sleepiness scale; WHW, working hours per week; NWM, night working days per month.