Table 3.

Mean physical activity in minutes and steps per day at each visit.

		Pre-dialysis (n = 12)	3 months (n = 14)	6 months (n = 13)	12 months (n = 12)	24 months (n = 12)	P (F)
Steps/day	Overall	4,916 ± 2,741 (1,242–11,127)	4,500 ± 2,998 (835–10,549)	4,930 ± 3,066 (1,077–9,762)	5,676 ± 4,390 (812–15,821)	4,253 ± 3,417 (217–11,145)	0.34 (1.16)
	Dialysis day		5,004 ± 3,461 (799–11,652)*	5,053 ± 3,130 (1,077–10,116)	6,193 ± 5,559 (628–20,064)	4,706 ± 3,489 (420–11,751)	0.05 (3.08)
	No-dialysis day		3,854 ± 2,508 (1,089–9,079)*	4,744 ± 3,118 (1,249–11,289)	5,101 ± 3,521 (1,058–11,578)	3,990 ± 3,144 (420–10,339)	0.46 (0.77)
Min/day	Overall	216 ± 74 (80–321)	208 ± 83 (66–344)	232 ± 93 (71–385)	244 ± 117 (65–450)	194 ± 117 (24–352)	0.28 (1.36)
	Dialysis day		225 ± 100 (57—380)**	243 ± 96 (71–359)	261 ± 136 (52–510)	222 ± 126 (3–370)	0.23 (1.58)
	No-dialysis day		184 ± 73 (57–297)**	214 ± 91 (71–390)	224 ± 102 (83–390)	181 ± 100 (39–341)	0.41 (0.93)
Min at low intensity (≤ 15 steps/min)	Overall	157 ± 51 (69–234)	156 ± 51 (56–226)	174 ± 61 (55–265)	175 ± 68 (55–255)	144 ± 83 (24–276)	0.39 (1.04)
	Dialysis day		168 ± 61 (48–252)	184 ± 67 (55–257)	186 ± 74 (43–260)	169 ± 93 (3–289)	0.48 (0.82)
	No-dialysis day		139 ± 52 (48–236)	158 ± 55 (54–257)	161 ± 64 (70–253)	135 ± 72 (37–270)	0.55 (0.63)
Min at medium intensity (16–40 steps/min)	Overall	51 ± 30 (8–111)	44 ± 33 (3–97)	51 ± 35 (15–119)	59 ± 48 (10–156)	41 ± 34 (0–99)	0.21 (1.69)
	Dialysis day		48 ± 38 (3–115)	53 ± 38 (11–127)	63 ± 58 (8–179)	44 ± 39 (0–111)	0.04 (3.99)
	No-dialysis day		38 ± 27 (8–88)	47 ± 32 (11–108)	54 ± 39 (13–125)	38 ± 28 (1–83)	0.32 (1.17)
Min at high intensity (≥ 41 steps/min)	Overall	8 ± 12 (0–36)	8 ± 10 (0–35)	7 ± 11 (0–32)	11 ± 16 (0–56)	9 ± 14 (0–42)	0.59 (0.55)
	Dialysis day		9 ± 11 (0–35)	6 ± 10 (0–35)	13 ± 23 (0–82)	9 ± 14 (0–40)	0.66 (0.45)
	No-dialysis day		6 ± 11 (0–35)	8 ± 14 (0–45)	9 ± 15 (0–48)	9 ± 15 (0–45)	0.58 (0.48)

^* p = 0.04.

^** p = 0.04.

Bold values refer the the statistical relevant results (p ≤ 0.05).