Table 1:

Weighted Sample Characteristics

	Full Sample (N=19,594)	Genetic Sample with APOE (N=10,784)
Chronological Age (Years), μ (s.d.)	66.47 (9.96)	65.66 (9.51)
Cognitive Age (Years), μ (s.d.)	66.47 (11.58)	64.36 (10.85)
Cognitive Change (Slope), μ (s.d.)	1.06 (0.80)	1.00 (0.64)
Female, Frequency (%)	54.51	54.08
Non-Hispanic White, Frequency (%)	82.14	82.76
Non-Hispanic Black, Frequency (%)	9.22	8.59
Hispanic, Frequency (%)	7.00	7.08
Other Race/Ethnicity, Frequency (%)	1.64	1.57
Less than High School, Frequency (%)	18.99	15.75
High School / GED, Frequency (%)	34.48	33.88
Some College, Frequency (%)	22.93	24.19
College, Frequency (%)	23.60	26.18
Heart Disease, Frequency (%)	21.64	19.90
Diabetes, Frequency (%)	16.23	15.38
Underweight, Frequency (%)	0.93	0.76
Normal BMI, Frequency (%)	15.25	22.29
Overweight, Frequency (%)	17.34	28.29
Obese, Frequency (%)	66.48	48.65
APOE ε2/ε2, ε2/ε3, or ε3/ε3, Frequency (%)	--	73.55
APOE ε2/ε4 or ε2/ε4, Frequency (%)	--	24.50
APOE ε4/ε4, Frequency (%)	--	1.95