The fixed-effects model for robust analysis of stepped-wedge cluster trials with a small number of clusters and continuous outcomes: a simulation study

Autor: Kenneth Menglin Lee, Yin Bun Cheung

Publikováno v: Trials, Vol 25, Iss 1, Pp 1-18 (2024)

Abstract Background Stepped-wedge cluster trials (SW-CTs) describe a cluster trial design where treatment rollout is staggered over the course of the trial. Clusters are commonly randomized to receive treatment beginning at different time points in t

Externí odkaz: https://doaj.org/article/4804607dbde846088f8028afa6acdaf0

The mixed model for repeated measures for cluster randomized trials: a simulation study investigating bias and type I error with missing continuous data

Autor: Melanie L. Bell, Brooke A. Rabe

Publikováno v: Trials, Vol 21, Iss 1, Pp 1-10 (2020)

Abstract Background Cluster randomized trials (CRTs) are a design used to test interventions where individual randomization is not appropriate. The mixed model for repeated measures (MMRM) is a popular choice for individually randomized trials with l

Externí odkaz: https://doaj.org/article/38ba22016e4943908a3052580e16ec6c

A Comparison of Two Bias-Corrected Covariance Estimators for Generalized Estimating Equations

Autor: Lu, Bing, Preisser, John S., Qaqish, Bahjat F., Suchindran, Chirayath, Bangdiwala, Shrikant I., Wolfson, Mark

Publikováno v: Biometrics, 2007 Sep 01. 63(3), 935-941.

Externí odkaz: https://www.jstor.org/stable/4541428

The Positive Choices trial: study protocol for a Phase-III RCT trial of a whole-school social marketing intervention to promote sexual health and reduce health inequalities

Autor: Karin Coyle, G. J. Melendez-Torres, Elizabeth Allen, Rebecca Meiksin, Honor Young, Maria Lohan, Rona Campbell, Steve Morris, Chris Bonell, Ruth Ponsford, Catherine H Mercer

Publikováno v: Trials, Vol 22, Iss 1, Pp 1-19 (2021)
Trials
Ponsford, R, Meiksin, R, Allen, E, Melendez-Torres, G J, Morris, S, Mercer, C, Campbell, R, Young, H, Lohan, M, Coyle, K & Bonell, C 2021, ' The Positive Choices trial: study protocol for a Phase-III RCT trial of a whole-school social marketing intervention to promote sexual health and reduce health inequalities ', Trials, vol. 22, no. 1, 818 . https://doi.org/10.1186/s13063-021-05793-6

Background Positive Choices is a whole-school social marketing intervention to promote sexual health among secondary school students. Intervention comprises school health promotion council involving staff and students coordinating delivery; student s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13dffc85e41e1a19a62e4c3241ccc232
https://doaj.org/article/4c5e0f60853a424cb86c3bb9b618e606

The Positive Choices trial: update to study protocol for a phase-III RCT trial of a whole-school social-marketing intervention to promote sexual health and reduce health inequalities

Autor: Ruth Ponsford, Rebecca Meiksin, Elizabeth Allen, G. J. Melendez-Torres, Steve Morris, Catherine Mercer, Rona Campbell, Honor Young, Maria Lohan, Karin Coyle, Chris Bonell

Publikováno v: Ponsford, R, Meiksin, R, Allen, E, Melendez-Torres, G J, Morris, S, Mercer, C, Campbell, R, Young, H, Lohan, M, Coyle, K & Bonell, C 2022, ' The Positive Choices trial: update to study protocol for a phase-III RCT trial of a whole-school social-marketing intervention to promote sexual health and reduce health inequalities ', Trials, vol. 23, 287 . https://doi.org/10.1186/s13063-022-06191-2

Background Positive Choices is a whole-school social-marketing intervention to promote sexual health among secondary school students. Intervention comprises the following: school health promotion council involving staff and students coordinating deli

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::efce534c59d3c8262f8a08dafbc039ca
https://www.repository.cam.ac.uk/handle/1810/337161