Table 1.

Performance on functional and cognitive assessments in young (Y) and older (O) adults (mean +/− 1 SD). Right (R) and left (L) hand data are shown for the Nine-hole peg test and maximum grip force. Trail-making test data were obtained using the dominant hand.

	Age (y)	Nine-Hole Peg Test (s)		Grip Force (kg)		Trail-Making Test (s)
		R	L	R	L	Aa	Bb
Y	24.0 ± 3.0	16.9 ± 2.3c	17.9 ± 1.9d	41.8 ± 12.4	38.9 ± 13.5	26.0 ± 7.8	50.6 ± 16.4
O	79.5 ± 6.4	22.4 ± 4.5	25.9 ± 6.2	35.4 ± 9.71	31.8 ± 9.43	41.7 ± 20.5	130.9 ± 90.5

^aTrail-Making Test Part A reflects time taken to quickly draw lines to connect 25 circled numbers (1–25) in ascending order distributed over a sheet of paper.

^bTrail-Making Test Part B reflects time taken to draw lines to connect circled numbers (1–13) and letters (A–L) by alternating between the numbers and letters

^csignificant group differences p<.01

^dsignificant group differences p<.001