Table 1.

Mean, standard deviation, and range of the neuropsychological measures of the Rush Memory and Aging Project at Times 1 – 3.

Neuropsychological Performance	Time 1 (baseline)	Time 2 (follow-up 1)	Time 3 (follow-up 2)
Word List Recall	5.3 (2.4, 0 – 10)	5.4 (2.5, 0 – 10)	5.4 (2.7, 0 – 10)
Logical Memory	20.2 (8.5, 0 – 46)	21.0 (8.9, 0 – 43)	21.3 (8.9, 0 – 43)
Boston Naming Task	13.9 (1.3, 0 – 15)	13.9 (1.3, 4 – 15)	13.9 (1.5, 4 – 15)
Categories	34.1 (9.0, 6 – 69)	33.7 (9.7, 6 – 69)	33.1 (10.2, 2 – 73)
Digits Sum	14.4 (3.5, 4 – 24)	14.4 (3.5, 0 – 24)	14.5 (3.5, 0 – 24)
Digits Ordering	7.2 (1.6, 0 – 13)	7.2 (1.6, 0 – 13)	7.1 (1.8, 0 – 13)
Progressive Matrices	11.7 (2.8, 0 – 16)	11.7 (2.9, 2 – 16)	11.6 (2.9, 1 – 16)
Line Orientation	10.0 (3.1, 0 – 15)	10.0 (3.2, 0 – 15)	10.1 (3.3, 0 – 15)
Symbol Digits Modalities Test	38.2 (10.6, 2 – 70)	37.9 (11.2, 0 – 69)	37.1 (11.9, 0 – 69)
Number Comparison	24.4 (7.4, 0 – 46)	24.3 (7.6, 0 – 48)	24.0 (7.8, 0 – 46)