Table 3. Multivariable linear regression analysis of telomere lengths among healthy individuals and individuals with MCI and AD according to participant characteristics.

Variable	Multivariable linear regression analysis
	Healthy (n=173)		MCI (n=123)		AD (n=75)
	B (95% CI)	P	B (95% CI)	P	B (95% CI)	P
Intercept	10.872		8.999		11.835
Age	-0.042 (-0.087 to 0.002)	0.063	-0.015 (-0.051 to 0.021)	0.414	-0.060 (-0.102 to -0.018)	0.006*
Hypertension	0.033 (-0.695 to 0.760)	0.929	-0.693 (-1.355 to -0.030)	0.041*	0.291 (-0.560 to 1.142)	0.498
Diabetes	0.059 (-1.000 to 1.117)	0.913	0.051 (-0.727 to 0.829)	0.897	-0.757 (-2.231 to 0.718)	0.309
Hyperlipidemia	-0.156 (-0.911 to 0.599)	0.683	-0.233 (-0.912 to 0.445)	0.498	0.567 (-0.423 to 1.558)	0.257
Heart disease	1.178 (-0.016 to 2.372)	0.053	-0.111 (-1.008 to 0.787)	0.807	1.081 (-0.363 to 2.525)	0.140
Stroke	-1.418 (-3.683 to 0.847)	0.218	-0.841 (-2.067 to 0.385)	0.177	-0.139 (-1.842 to 1.564)	0.871

MCI: mild cognitive impairment; AD: Alzheimer's disease; CI: confidence interval. *P<0.05.