Table 3.

Linear Regression for Sleep Duration on Carotid Intima-Media Thickness (mm) -Differences by sex

	Male (N=260)			Female (N=357)
	β	95% CI	P- value	β	95% CI	P-value
Sleep time (hrs) adjusted for age and race	−0.028	−0.044,– 0.013	<0.01	−0.005	−0.019, 0.009	0.49
Sleep time (hrs) adjusted for age, race, CHD risk markers*	−0.026	−0.047,– 0.005	0.02	−0.001	−0.020, 0.022	0.91

^*Smoking, education, depression, BMI, systolic blood pressure, LDL cholesterol, HDL cholesterol, diabetes