Table 2.

Adjusted differences^* in mean aPWV, AAD, and DAD levels for short and long sleep durations compared to normal sleep duration (N = 908)

	aPWV (m/s)			AAD (%/mmHg)			DAD (%/mmHg)
	Mean difference	95% CI	P	Mean difference	95% CI	P	Mean difference	95% CI	P
Sleep duration (h)
< 6	−0.94	−1.54 to -0.35	0.002	0.13	−0.07 to 0.32	0.197	0.22	0.00 to 0.45	0.049
6 – 8	Ref	Ref	Ref	Ref	Ref	Ref	Ref	Ref	Ref
> 8	0.82	−0.02 to 1.65	0.055	0.07	−0.19 to 0.34	0.583	0.05	−0.26 to 0.35	0.772

aPWV, aortic pulse wave velocity; AAD, ascending aortic distensibility; DAD, descending aortic distensibility.

^*Adjusted for age, gender, race, body mass index, smoking, anti-hypertensive medication use, systolic blood pressure measured at MRI exam, fasting glucose, high-density lipoprotein cholesterol, low-density lipoprotein cholesterol, triglycerides, lipid lowering medicine use, left ventricular ejection fraction, and Apnea-Hypopnea index.