Table 1.

Demographics of the reference samples in FHS and BU ADRC cohorts.

Variable	FHS (n = 932)	BU ADRC (n = 57)
Age (years), mean (SD)	63.0 ± 9.4	74.5 ± 8.7
Women, n (%)	534(57.3)	37(64.9)
Education, n (%)
No high school	4(0.4)	0
High school	82(8.8)	2(3.5)
Some college	225(24.1)	9(15.8)
College and higher	621(66.6)	46(80.7)

Values are given as n (%) for dichotomous variables and mean ± SD for continuous variables.