Table 3.

24-hour rest-activity data

Caregiver	Patient	Patient	Caregiver
	Year 3	Year 4	Year 3	Year 4
24 hour Interval
mean activity counts per min	51	52	136	126
day percent immobility	61%	55%	34%	36%
number of immobility bouts	144	203	101	109
mean immobility bout duration(min)	6.2	4.0	5.0	4.9
mean mobility bout duration (min)	3.9	3.3	9.4	9.1
Active Interval (daytime)
mean activity counts per min	69	58	195	164
percent immobility	47%	55%	11%	14%
number of immobility bouts	106	134	54	61
mean immobility bout duration(min)	4.2	3.8	1.9	2.1
mean mobility bout duration(min)	4.8	3.1	16.1	15.0
Rest Interval (bedtime)
mean activity counts per min	14	42	16	14
percent immobility	87%	51%	81%	84%
number of immobility bouts	41	66	46	42
mean immobility bout duration(min)	10.9	4.2	9.2	10.2
mean mobility bout duration(min)	1.6	4.0	1.9	1.8
Sleep Interval
mean activity counts per min	13	41	14	13
percent immobility	88%	54%	83%	86%
number of immobility bouts	39	59	42	38
mean immobility bout duration(min)	11.2	4.5	9.8	11.3
mean mobility bout duration(min)	1.5	3.9	1.8	1.7
sleep time in hours	7.2	5.1	6.7	6.8
percent sleep	90%	64%	88%	89%

Min, minutes