Table 1.

Descriptive Statistics for the Trajectory Sample by Longitudinal Wave

	W1	W2	W3
n	778	541	407
Age	71.42 (9.07; 53.24 – 95.25)	74.94 (8.70; 57.27 – 94.53)	78.12 (8.19; 62.44 – 97.26)
Gender (% Female)	66.6	66.0	67.6
HAY	5.43 (1.50; 1 – 10)	5.43 (1.48; 1 – 9)	5.50 (1.40; 1 – 10)
STRPb	1.28 (.75; −.73 – 6.14)	1.39 (1.10; .03 – 10.53)	1.36 (.90; −.02 – 7.52)
Color trails b	98.01 (33.87; 46.67 – 266.22)	101.56 (38.62; 43.77 – 331.99)	110.24 (46.10; 53.01 – 345.27)
Brixton	4.72 (2.18; 1 – 10)	5.32(2.01; 1 – 10)	5.35 (2.04; 1 – 10)
LSER	11.33 (4.44; 0 – 20)	11.19 (4.38; 0 – 20)	10.97(4.29; 0 – 20)
LSET	8.36(2.89; 0 – 18)	8.34 (2.95; 0 – 14)	8.26 (3.00; 0 – 14)
CSPAN	3.05 (1.27; 0 – 7)	2.97(1.27; 0 – 7)	2.88 (1.15; 0 – 7)
RSPAN	2.88(1.02; 0 – 6)	2.74 (.99; 0 – 5)	2.63 (1.03; 0 – 5)

Note. Results presented as Mean (Standard Deviation) and Range unless otherwise stated. HAY = Hayling; STRP = Stroop; LSER = Letter Series; LSET = Letter Sets; CSPAN = Computational Span; RSPAN = Reading Span; W1 = Wave 1; W2 = Wave 2; W3 = Wave 3

^bLower scores indicate better performance