Potential for reducing immobility times of a mobility monitor in-bed sensor system – a stepped-wedge cluster-randomised trial

Table 2 Immobility rates by ICU, period and study phase

Period	ICU^a	Study phase	Total	Mean	Std^b
Period 1	Neurosurgical	Control	95	0.21	0.19
	Neurological	Control	194	0.13	0.14
		Total	289	0.16	0.17
Period 2	Neurosurgical	Control	114	0.21	0.17
	Neurological	Intervention	160	0.13	0.13
		Total	274	0.16	0.15
Period 3	Neurosurgical	Intervention	93	0.20	0.19
	Neurological	Intervention	152	0.12	0.12
		Total	245	0.15	0.16
All periods	Neurosurgical	All study phases	302	0.20	0.18
	Neurological	All study phases	506	0.13	0.14
		Total	808	0.16	0.16
All periods	All ICUs	Control	403	0.17	0.17
	All ICUs	Intervention	405	0.14	0.15
		Total	808	0.16	0.16

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