Table 2.

Sample Characteristics of the Integrated Data Set by Race

	White (N = 2239; 79.9%)	Black (N = 563; 20.1%)
	Mean (SD)	Mean (SD)
Age	71.9 (6.7)	70.5 (6.2)
BMI	31.3 (5.2)	33.2 (5.4)
MoCA	24.7 (3.2)	22.8 (3.7)
4-m walk speed	1.0 (0.2)	0.9 (0.2)
	N (%)	N (%)
Gender
Female	1343 (60.0)	444 (78.9)
Male	896 (40.0)	119 (21.4)
Age group
50–59	866 (38.7)	276 (49.0)
60–69	1023 (45.7)	221 (39.3)
70–79	276 (12.3)	46 (8.2)
80 and above	74 (3.3)	20 (3.6)

Note: BMI = body mass index; MoCA = Montreal Cognitive Assessment.