Sample size calculation for a stepped wedge trial

Five questions to consider before conducting a stepped wedge trial

(2015) James R Hargreaves et al.   Trials

Designing a stepped wedge trial: three main designs, carry-over effects and randomisation approaches

(2015) Andrew J. Copas et al.   Trials

The stepped wedge cluster randomised trial: rationale, design, analysis, and reporting

(2015) K. Hemming et al.   BMJ-British Medical Journal

The stepped wedge cluster randomised trial: rationale, design, analysis, and reporting

(2015) K. Hemming et al.   BMJ-British Medical Journal

A stepped wedge cluster randomized trial is preferable for assessing complex health interventions

(2014) Maud Keriel-Gascou et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Stepped-wedge cluster randomised controlled trials: a generic framework including parallel and multiple-level designs

(2014) Karla Hemming et al.   STATISTICS IN MEDICINE

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)

(2013) Alison L Kitson et al.   BMC HEALTH SERVICES RESEARCH

Stepped wedge cluster randomized trials are efficient and provide a method of evaluation without which some interventions would not be evaluated

(2013) Karla Hemming et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

The stepped wedge design does not inherently have more power than a cluster randomized controlled trial

(2013) Daniel Kotz et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

The stepped wedge cluster randomized trial always requires fewer clusters but not always fewer measurements, that is, participants than a parallel cluster randomized trial in a cross-sectional design

(2013) Esther de Hoop et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Stepped wedge designs could reduce the required sample size in cluster randomized trials

(2013) Willem Woertman et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Sample size and power calculations for medical studies by simulation when closed form expressions are not available

(2012) Sabine Landau et al.   STATISTICAL METHODS IN MEDICAL RESEARCH

Systematic review of stepped wedge cluster randomized trials shows that design is particularly used to evaluate interventions during routine implementation

(2011) Noreen D. Mdege et al.   JOURNAL OF CLINICAL EPIDEMIOLOGY

Quasi-Experimental Designs in Practice-based Research Settings: Design and Implementation Considerations

(2011) M. A. Handley et al.   Journal of the American Board of Family Medicine

Sample size determination through power simulation; practical lessons from a stepped wedge cluster randomised trial (SW CRT)

(2011) Munyaradzi Dimairo et al.   Trials

Intervenção comunitária para prevenção de acidentes de trânsito entre trabalhadores ciclistas

(2010) Giancarlo Bacchieri et al.   REVISTA DE SAUDE PUBLICA