Table 1.

Characteristics of the Participants.

	Total	Day Shift	Night Shift	Rotate Shift	p Value
N	14	5	5	4
Age	44.21 [22, 67]	47.4 [30, 64]	36.8 [22, 67]	49.5 [42, 63]	0.398
BMI	27.6 ± 6.71	27.2 ± 7.33	28 ± 8.65	27.6 ± 4.81	0.984
Female sex – no. (%)	12 (85.7%)	5 (100%)	5 (100%)	2 (50%)
Race – no. (%)					0.352
White	11 (78.6%)	3 (60%)	5 (100%)	3 (75%)
Black	3 (21.4%)	2 (40%)	0 (0%)	1 (25%)
Hispanic ethnicity	0	0	0	0
Education					0.599
High School	1 (7.1%)	0 (0%)	1 (20%)	0 (0%)
College 2yrs	7 (50%)	2 (40%)	2 (40%)	3 (75%)
College 4yrs	6 (42.9%)	3 (60%)	2 (40%)	1 (25%)
Household Income					0.866
30–50k	3 (21.4%)	1 (20%)	1 (20%)	1 (25%)
50–100k	7 (50%)	3 (60%)	3 (60%)	1 (25%)
>100k	4 (28.6%)	1 (20%)	1 (20%)	2 (50%)
Comorbidity
Hypertension	2 (14.3%)	1 (20%)	0 (0%)	1 (25%)
Diabetes	1 (7.1%)	0 (0%)	0 (0%)	1 (25%)
Metabolic syndrome	2 (14.3%)	0 (0%)	0 (0%)	2 (50%)
Asthma	1 (7.1%)	0 (0%)	1 (20%)	0 (0%)
Sleep History
Sleep disorder	2 (14.3%)	1 (20%)	0 (0%)	1 (25%)
Restless leg syndrome	1 (7.1%)	1 (20%)	0 (0%)	0 (0%)
OSA	2 (14.3%)	1 (20%)	0 (0%)	1 (25%)
Problem with sleep	6 (42.9%)	2 (40%)	2 (40%)	2 (50%)
Snore	5 (35.7%)	3 (60%)	1 (20%)	1 (25%)
Medication
Benzodiazepine	2 (14.3)	1 (20%)	1 (20%)	0 (0%)