Table 4.

Test of Differences in Mean Log Cumulative Activity Counts per Day, Stratified by Age and Functional Status

N	Total	Group 1	Group 2	Group 3	Group 4
Gait speed < 1.14 m/s	302	102	96	67	37
Gait speed ≥ 1.14 m/s	309	40	51	90	128
Slow	10.1	10.41	10.33	10.05	9.86
Fast	10.49	10.7	10.56	10.28	10.22
p value	<.001*	.01*	.006*	<.001*	.001*

Note: *Significantly different (p < .05).