Review of recent methodological developments in group-randomized trials: part 1—design
In 2004, Murray et al. reviewed methodological developments in the design and analysis of
group-randomized trials (GRTs). We have highlighted the developments of the past 13 years …
group-randomized trials (GRTs). We have highlighted the developments of the past 13 years …
Stepped wedge cluster randomised trials: a review of the statistical methodology used and available
D Barker, P McElduff, C D'Este… - BMC medical research …, 2016 - Springer
Background Previous reviews have focussed on the rationale for employing the stepped
wedge design (SWD), the areas of research to which the design has been applied and the …
wedge design (SWD), the areas of research to which the design has been applied and the …
[KNIHA][B] Cluster randomised trials
RJ Hayes, LH Moulton - 2017 - taylorfrancis.com
Cluster Randomised Trials, Second Edition discusses the design, conduct, and analysis of
trials that randomise groups of individuals to different treatments. It explores the advantages …
trials that randomise groups of individuals to different treatments. It explores the advantages …
[HTML][HTML] Sample size calculations for stepped wedge and cluster randomised trials: a unified approach
Objectives To clarify and illustrate sample size calculations for the cross-sectional stepped
wedge cluster randomized trial (SW-CRT) and to present a simple approach for comparing …
wedge cluster randomized trial (SW-CRT) and to present a simple approach for comparing …
Stepped‐wedge cluster randomised controlled trials: a generic framework including parallel and multiple‐level designs
Stepped‐wedge cluster randomised trials (SW‐CRTs) are being used with increasing
frequency in health service evaluation. Conventionally, these studies are cross‐sectional in …
frequency in health service evaluation. Conventionally, these studies are cross‐sectional in …
Statistical efficiency and optimal design for stepped cluster studies under linear mixed effects models
In stepped cluster designs the intervention is introduced into some (or all) clusters at
different times and persists until the end of the study. Instances include traditional parallel …
different times and persists until the end of the study. Instances include traditional parallel …
Effects of a multicomponent intervention to streamline initiation of antiretroviral therapy in Africa: a stepped-wedge cluster-randomised trial
G Amanyire, FC Semitala, J Namusobya… - The lancet HIV, 2016 - thelancet.com
Summary Background In Africa, up to 30% of HIV-infected patients who are clinically eligible
for antiretroviral therapy (ART) do not start timely treatment. We assessed the effects of an …
for antiretroviral therapy (ART) do not start timely treatment. We assessed the effects of an …
Stepped wedge randomised controlled trials: systematic review of studies published between 2010 and 2014
Background In a stepped wedge, cluster randomised trial, clusters receive the intervention at
different time points, and the order in which they received it is randomised. Previous …
different time points, and the order in which they received it is randomised. Previous …
Evaluation of occupational health interventions using a randomized controlled trial: challenges and alternative research designs
Occupational health researchers regularly conduct evaluative intervention research for
which a randomized controlled trial (RCT) may not be the most appropriate design (eg …
which a randomized controlled trial (RCT) may not be the most appropriate design (eg …
Current issues in the design and analysis of stepped wedge trials
JP Hughes, TS Granston, PJ Heagerty - Contemporary clinical trials, 2015 - Elsevier
The use of stepped wedge designs in cluster-randomized trials and implementation studies
has increased rapidly in recent years but there remains considerable debate regarding the …
has increased rapidly in recent years but there remains considerable debate regarding the …