Table 1

- Participant demographic, Epworth Sleepiness Scale (ESS), anthropometric, laboratory result, and data distribution.

Characteristic	Case		Descriptive
Characteristic	n	%	Min	Max	Mean± D	P-value
Gender
Male	23	15.3
Female	127	84.7
Age			23	48	32.59±6.003
Duration of shift work
<10 years	68	45.3	1	25	7.98±5.182
≥10 years	82	54.7	1	25	7.98±5.182
ESS Score
No EDS	129	86	0	19	4.59±4.154	0.000
EDS	21	14	0	19	4.59±4.154	0.000
BMI
Underweight	11	7.3	16.0	33.8	23.84±3.669	0.003
Normal	93	62.0
Overweight	33	22.0
Obesity	13	8.7
Waist circumference
Normal	63	42	67	116	85.39±10.01	0.033
Abnormal	87	58	67	116	85.39±10.01	0.033
Total cholesterol
Normal	115	76.7	121	299	181.08±31.39	0.011
High	35	23.3	121	299	181.08±31.39	0.011
LDL
Normal	103	68.7	70	212	118.88±29.27	0.001
High	47	31.3	70	212	118.88±29.27	0.001
HDL
Normal	135	90	12	86	52.84±10.73	0.200*
Low	15	10	12	86	52.84±10.73	0.200*
Triglyceride
Normal	143	95.3	32	290	88.28±41.58	0.000
High	7	4.7	32	290	88.28±41.58	0.000

*Normal distribution, SD: standard deviation, EDS: excessive daytime sleepiness, BMI: body mass index, LDL: low density lipoprotein, HDL: high density lipoprotein, Min: minimum, Max: maximum