A cluster randomised trial (CRT) isa randomised controlled trial in which pre-existing groups, called clusters, of individuals are randomly allocated to treatment arms. For example, clusters may be clinical pra
Randomized controlled trial as topicThe basic premise of a stepped wedge cluster randomised trial (SW-CRT) is that all clusters start in the control condition, and they switch to the intervention condition in an order determined by randomisation. SW-CRTs differ from cluster crossover trials in ...
What is a randomised controlled trial?Randomised controlled trials (RCTs) answer questions about the effectiveness of different care options: 'what effect does using treatment A or treatment B have on outcomes?' RCTs are important to nursing as they are the best study design for answering the ...
This article is part of a series of papers examining ethical issues in cluster randomized trials (CRTs) in health research. In the introductory paper in this series, we set out six areas of inquiry that must be addressed if the CRT is to be set on a firm
Impact of disinvestment from weekend allied health services across acute medical and surgical wards: 2 stepped-wedge cluster randomised controlled trials Source: PLoS Medicine Rerandomization to improve covariate balance in experiments Source: The Annals of Statistics ...
Impact of stepping stones on incidence of HIV and HSV-2 and sexual behaviour in rural South Africa: Cluster randomised controlled trial BMJ, 337 (2008), p. a506 CrossrefGoogle Scholar Joppa et al., 2016 M.C. Joppa, C.J. Rizzo, A.V. Nieves, L.K. Brown Pilot investigation of the ...
Students who feel that the school is a nice place to be* 90.2 (1906) 89.8 (2024) Students who feel they belong to the school* 75.1 (1624) 76.5 (1756) Students who feel lonely* 40.3 (8 8 9) 40.0 (9 3 7) School level profile (cluster level) Intervention group n = 15 Control gro...
Dron L, Taljaard M, Cheung YB, Grais R, Ford N, Thorlund K, et al. The role and challenges of cluster randomised trials for global health. Lancet Glob Health. 2021;9(5):e701–10. https://doi.org/10.1016/S2214-109X(20)30541-6. Article CAS PubMed Google Scholar Sadruddin S, ...
Cluster randomised controlled trial of tailored interventions to improve the management of urinary tract infections in women and sore throat. BMJ. 2002;325(7360):367. 21. Casas A, Troosters T, Garcia-Aymerich J, Roca J, Hernández C, Alonso A, et al. Integrated care prevents hospitalisation...
is a school-based intervention to increase physical activity and reduce sedentary behaviour among primary school children. The efficacy of Transform-Us! was tested in a cluster randomised controlled trial (RCT) among 20 primary schools. The aims of this study were to evaluate program reach, dose,...