Table 4.

Effects of variables on annual HY scales change (n=247)

Variables	β	t-value	P-value
Age (years)	0.357	4.229	0.007**
Male	-0.025	-0.324	0.74
Education	-0.211	-3.138	0.031*
Initial MMSE score	-0.023	-0.178	0.772
Hypertension	-0.172	-2.116	0.045*
Diabetes	- 0.154	-1.235	0.105
Hypercholesterolemia	-0.112	-1.447	0.315
Hyperhomocysteinemia	-0.155	-2.114	0.033*
Carotid atherosclerostic plaque	0.058	-0.199	0.736

^* P < 0.05;

^** P < 0.01;

β: standardized regression coefficient.