TABLE 3.

Multivariate linear regression model with the PSQI score as the dependent variable.

	Unadjusted model			Adjusted model*
PSQI score	β	95% CI	P-value	B	95% CI	P
CSVD burden	0.24	0.17−0.32	< 0.001	0.25	0.18−0.32	< 0.001
Total WMH score	0.28	0.21−0.35	< 0.001	0.27	0.20−0.35	< 0.001
Number of lacunes	0.19	0.12−0.26	< 0.001	0.20	0.13−0.26	< 0.001
Number of CMBs	0.04	−0.03−0.11	0.292	0.04	−0.03−0.11	0.264
EPVS-BG score	0.11	0.04−0.18	0.003	0.12	0.05−0.19	0.001

PSQI, Pittsburgh Sleep Quality Index; CI, confidence interval; CSVD, cerebral small vessel disease; WMH, white matter hyperintensities; CMBs, cerebral microbleeds; EPVS, enlarged perivascular spaces; BG, basal ganglia.

*Adjusted for age, gender, education level, HAMD score, and vascular risk factors.