Variable

Mean (SD)

Age

79.1 (5.3)

Female, n (%)

563 (62.8)

Race

%White, n (%)

570 (63.5)

%Black, n (%)

260 (29.0)

%Other, n (%)

67 (7.5)

Years of Education

14.3 (3.4)

GDS

2.0 (2.1)

PSS-PW

9.3 (5.3)

PSS-NW

7.0 (4.4)

Time Enrolled in Study

3.2 (2.9)

BNT

12.1 (2.4)

WAIS-III Vocabulary

46.2 (12.2)

LM

21.3 (6.7)

FCSRT

32.1 (5.3)

Category Fluency

38.1 (9.3)

TMTA

0.02 (0.01)

TMTB

0.01 (0.004)

WAIS-III Digit Symbol

46.4 (14.0)

WAIS-III Block Design

24.3 (8.9)