Table 4.

Activity characteristics of participants

Activity duration and intensity	Control	CKD	HD	Total	P for difference among groups
Active time per day (min)	798 ± 203	898 ± 173	904 ± 151	894 ± 168	0.04
Wake at activity level 0 (min/day)	456 ± 187	595 ± 167	644 ± 167	605 ± 174	<0.0001
Wake at activity level 1 (min/day)	191 ± 58	195 ± 79	167 ± 79	183 ± 78	0.02
Wake at activity level 2 (min/day)	125 ± 71	97 ± 66	83 ± 68	93 ± 68	0.02
Wake at activity level 3 (min/day)	26 ± 22	11 ± 15	10 ± 14	12 ± 16	<0.001
Wake at activity level 0 (%/day)	55.6 ± 14.7	66.4 ± 13.6	71.3 ± 14.6	67.7 ± 14.6	<0.0001
Wake at activity level 1 (%/day)	24.4 ± 5.4	21.7 ± 7.5	18.5 ± 8.0	20.6 ± 7.8	<0.001
Wake at activity level 2 (%/day)	16.3 ± 9.0	10.8 ± 6.9	9.1 ± 7.0	10.5 ± 7.3	<0.001
Wake at activity level 3 (%/day)	3.7 ± 3.5	1.2 ± 1.6	1.1 ± 1.5	1.3 ± 1.9	<0.0001