BMC Health Services Research

Table 1 Representation of stepped wedge trial design showing four groups and five measurement time periods incorporating control (O) and intervention (X) phases

From: The prevention and reduction of weight loss in an acute tertiary care setting: protocol for a pragmatic stepped wedge randomised cluster trial (the PRoWL project)

		Time period
		1	2	3	4	5
Group/Step	1 (six wards)	0	X	X	X	X
	2 (six wards)	0	0	X	X	X
	3 (six wards)	0	0	0	X	X
	4 (seven wards)	0	0	0	0	X

In this trial, 25 hospital wards are randomised to four groups–three groups of six wards and one group of seven wards.

Back to article page

ISSN: 1472-6963

Contact us

General enquiries: journalsubmissions@springernature.com