Table 3.

Association of average daily step count (per 1000 steps) with physical and emotional symptoms in 48 hemodialysis patients using linear regression analysis

Symptom or score	Unadjusted		Adjusteda
	Coefficient (95% CI)	P	Coefficient (95% CI)	P
DSI total symptom burden	0.0 (−0.4 to 0.4)	>0.9	0.0 (−0.4 to 0.4)	0.87
DSI total symptom severity	−1.0 (−2.5 to 0.5)	0.20	−0.9 (−2.6 to 0.7)	0.26
DSI fatigue (“feeling tired” or “having low energy”)	−0.1 (−0.3 to 0.0)	0.03	−0.2 (−0.3 to 0.0)	0.04
DSI muscle soreness	−0.1 (−0.2 to 0)	0.06	−0.1 (−0.2 to 0.1)	0.21
DSI muscle cramping	0.03 (−0.1 to 0.2)	0.64	0.1 (−0.02, 0.3)	0.10
DSI insomnia (“trouble falling asleep” or “trouble staying asleep”)	−0.1 (−0.2 to 0.1)	0.36	−0.1 (−0.3 to 0.0)	0.05
DSI bone or joint pain	−0.04 (−0.2, 0.1)	0.65	−0.03 (−0.2 to 0.2)	0.80
KDQOL Vitality scoreb	2.53 (0.53 to 4.52)	0.01	2.36 (0.07 to 4.65)	0.04
CES-D total score	0.1 (−0.7 to 0.9)	0.84	0.0 (−1.0 to 0.9)	>0.9

CES-D, Centers for Epidemiologic Studies Depression Scale; DSI, Dialysis Symptom Index; KDQOL, Kidney Disease Quality of Life.

^aAdjustment for age, sex, diabetic status, serum albumin.

^bKDQOL Vitality score from 47 patients who completed data.