Relationship of Routine Inadequate Sleep Duration and Periodontitis in a Nationally Representative Sample

Table 3

Logistic regressions of adequate sleep on periodontitis, NHANES 2009–2012.

	Unadjusted odds ratio	value	Adjusted odds ratio	value
	[95% confidence interval]		[95% confidence interval]
Adequate sleep		<.0001		.9812
7 hours or more	Reference		Reference
Less than 7 hours	1.34 [1.18, 1.52]		1.00 [0.83, 1.21]
Age group				<.0001
30 to less than 45 years			Reference
45 to less than 55 years			2.77 [2.04, 3.76]
55 years and above			5.49 [3.77, 8.01]
Sex				<.0001
Female			Reference
Male			2.60 [2.17, 3.12]
Race/ethnicity
Non-Hispanic white			Reference
Non-Hispanic black			1.88 [1.20, 2.96]	.0060
Hispanic			2.94 [2.18, 3.97]	<.0001
Other			1.65 [1.13, 2.41]	.0092
Education				<.0001
HS graduate/less			1.34 [1.09, 1.65]
Some coll/tech/more			Reference
Smoking
Current			2.74 [1.98, 3.80]	<.0001
Former			1.43 [1.15, 1.79]	.0016
Never			Reference
Number of missing teeth
0–5			Reference
6–9			1.44 [1.14, 1.82]	.0024
10–20			2.64 [2.02, 3.44]	<.0001
More than 20			2.18 [1.02, 4.65]	.0445
Federal Poverty Level Index
0 to less than 1.25			1.82 [1.23, 2.71]	.0028
1.25 to less than 2.00			1.62 [1.15, 2.26]	.0053
2.00 to less than 4.00			1.60 [1.07, 2.39]	.0213
4.00 and above			Reference
Insurance coverage				<.0001
Yes			Reference
No			1.73 [1.43, 2.10]
Diabetes				.1567
Yes			1.41 [0.88, 2.26]
No			reference

Wald test -value was <.0001 for unadjusted and adjusted models.
Abbreviations: NHANES-National Health and Nutrition Examination Surveys; HS = high school; coll = college; tech = technical school.