Table 5.

Estimates of sleep parameters per percent missed or shortened dialysis

Sleep Characteristic	Cross-sectional Estimate (per 10% Missed Dialysis)	P	Longitudinal Estimate (per 10% Missed Dialysis)	P
Rest (min/day)	−7.6 (−29.8, 14.6)	0.5	0.7 (−2.4, 3.7)	0.7
Sleep (min/day)	−23.1 (−39.8, −6.3)	<0.01	1.0 (−1.2, 3.2)	0.4
Sleeping during rest (%)	−4.1 (−6.7, −1.4)	<0.01	0.2 (−0.1, 0.5)	0.3
Sleep efficiency (%)	−5.1 (−8.2, −1.9)	<0.01	0.3 (−0.1, 0.7)	0.1
Fragmentation index (%)	3.4 (0.9, 5.8)	<0.01	−0.1 (−0.4, 0.2)	0.4
Sleep quality (KDQOL score)	−5.5 (−8.4, −2.5)	<0.001	0.6 (0.1, 1.0)	<0.01