Sample size calculators for planning stepped-wedge cluster randomized trials: a review and comparison
Recent years have seen a surge of interest in stepped-wedge cluster randomized trials (SW-
CRTs). SW-CRTs include several design variations and methodology is rapidly developing …
CRTs). SW-CRTs include several design variations and methodology is rapidly developing …
Information content of stepped wedge designs under the working independence assumption
The stepped wedge design is increasingly popular in pragmatic trials and implementation
science research studies for evaluating system-level interventions that are perceived to be …
science research studies for evaluating system-level interventions that are perceived to be …
Maintaining the validity of inference from linear mixed models in stepped-wedge cluster randomized trials under misspecified random-effects structures
Linear mixed<? show [AQ ID= GQ2 POS=-18pt]?><? show [AQ ID= GQ4]?><? show [AQ ID=
GQ5 POS= 12pt]?> models are commonly used in analyzing stepped-wedge cluster …
GQ5 POS= 12pt]?> models are commonly used in analyzing stepped-wedge cluster …
Planning stepped wedge cluster randomized trials to detect treatment effect heterogeneity
Stepped wedge design is a popular research design that enables a rigorous evaluation of
candidate interventions by using a staggered cluster randomization strategy. While …
candidate interventions by using a staggered cluster randomization strategy. While …
Generalizing the information content for stepped wedge designs: A marginal modeling approach
Stepped wedge trials are increasingly adopted because practical constraints necessitate
staggered roll‐out. While a complete design requires clusters to collect data in all periods …
staggered roll‐out. While a complete design requires clusters to collect data in all periods …
Sample size requirements for testing treatment effect heterogeneity in cluster randomized trials with binary outcomes
Cluster randomized trials (CRTs) refer to a popular class of experiments in which
randomization is carried out at the group level. While methods have been developed for …
randomization is carried out at the group level. While methods have been developed for …
Sample size calculations for stepped wedge designs with treatment effects that may change with the duration of time under intervention
The stepped wedge design is often used to evaluate interventions as they are rolled out
across schools, health clinics, communities, or other clusters. Most models used in the …
across schools, health clinics, communities, or other clusters. Most models used in the …
Power analyses for stepped wedge designs with multivariate continuous outcomes
Multivariate outcomes are common in pragmatic cluster randomized trials. While sample
size calculation procedures for multivariate outcomes exist under parallel assignment, none …
size calculation procedures for multivariate outcomes exist under parallel assignment, none …
Calculating power for multilevel implementation trials in mental health: Meaningful effect sizes, intraclass correlation coefficients, and proportions of variance …
NJ Williams, NC Cardamone… - Implementation …, 2024 - journals.sagepub.com
Background Despite the ubiquity of multilevel sampling, design, and analysis in mental
health implementation trials, few resources are available that provide reference values of …
health implementation trials, few resources are available that provide reference values of …
A user-centred implementation strategy for tuberculosis contact investigation in Uganda: protocol for a stepped-wedge, cluster-randomised trial
A Katamba, AJ Gupta, P Turimumahoro, E Ochom… - BMC public health, 2023 - Springer
Background Tuberculosis (TB) is among the leading causes of infectious death worldwide.
Contact investigation is an evidence-based, World Health Organisation-endorsed …
Contact investigation is an evidence-based, World Health Organisation-endorsed …