Table 4.

Periodontal disease as predictor of hours of sleep overall and by sex – 2009–2014 National Health and Nutrition Examination Surveys (n=11,813)

	Unadjusted *		Gender & Age-adjusted †		Fully-adjusted ‡
	β or OR	95% CI	β or OR	95% CI	β or OR	95% CI
Overall:
Sleep (hours)	−.0511	−.116, .0141	−.0694	−.138, −.000170	−.00394	−.0727, .0648
Sleep < 7	1.141	1.033, 1.260	1.178	1.063, 1.305	1.020	.917, 1.135
Males:
Sleep (hours)	−.0045	−.0948, .0856	−.0338	−.127, .0600	.0111	−.0839, .106
Sleep < 7	1.104	.963, 1.267	1.157	1.001, 1.337	1.013	.870, 1.179
Females:
Sleep (hours)	−.0694	−.152, .0133	−.099	−.188, −.012	−.0138	−.102, .0745
Sleep < 7	1.139	1.001, 1.298	1.191	1.039, 1.366	1.015	.878, 1.173

^*No significant interaction effects by gender;

^†No significant interaction effects by gender;

^‡No significant interaction effects by gender.