The Association of Unreported Sleep Disturbances and Systemic Inflammation: Findings from the 2005-2008 NHANES

Table 1

Analysis sample frequencies and weighted percentages.

Variable	Unweighted Frequency	Weighted Percent
Gender
Female	4,894	50.96
Male	5,007	49.04
Race/Ethnicity
NH white	4,697	71.22
NH black	2,159	10.85
Mexican	1,901	8.19
Other Hispanic	755	4.24
Other race	389	5.50
Age
18-44	4,526	48.23
45-64	3,084	35.45
65 plus	2,291	16.32
Sleep categories
Sleep apnea	411	4.56
Other sleep disorder	293	2.80
Reported sleep disturbance	1,596	18.30
Unreported sleep disturbance	1,167	11.19
No sleep problems	6,434	63.15
Obesity
Not obese	6,454	66.73
Obese	3,447	33.27
Average Hours of sleep
Less than 7	3,831	36.72
7-8 hours	5,303	56.45
9 or more hours	767	6.83
Comorbidity scale - Mean (SD)	9,901	0.86 (0.02)
Taking prescription for hypertension
No	7,027	77.79
Yes	2,415	22.21
Taking prescription for high cholesterol
No	8,349	85.75
Yes	1,552	14.25

Data source: NHANES 2005-2008.
N=9,901.