Table 1.

Descriptive Statistics for Raw Scores of Study Variables for the Total and Longitudinal Samples

Demographic variables	Total Sample (n = 2,520)	Longitudinal Sample (n = 1,061)
Age: M (SD)	68.33 (10.26)	68.82 (10.55)
Education: M (SD)	16.39 (2.50)	17.04 (7.55)
% Female	65.10%	64.10%
% White	78.60%	78.60%
Cognitive Variables	M (SD)	M (SD)
Benson Figure Copy	15.58 (1.31)	15.51 (1.34)
Benson Figure Recall	11.50 (2.90)	11.71 (2.87)
Trailmaking Test part A	31.21 (12.25)	40.50 (12.02)
Trailmaking Test part B	80.32 (38.42)	81.50 (44.42)
Letter Fluency	24.47 (9.72)	29.75 (8.51)
Number Span Forward	8.34 (2.30)	8.39 (2.39)
Number Span Backward	7.12 (2.20)	7.22 (2.22)
Vegetable Naming	14.89 (4.04)	15.07 (3.95)
Animal Naming	21.63 (5.58)	21.99 (5.46)
Multilingual Naming Test	30.12 (2.00)	30.43 (1.87)
Craft Story Immediate Recall	21.90 (6.45)	22.64 (6.25)
Craft Story Delayed Recall	19.08 (6.53)	19.99 (6.49)