Methods for sample size determination in cluster randomized trials

C Rutterford, A Copas, S Eldridge - International journal of …, 2015 - academic.oup.com
Background: The use of cluster randomized trials (CRTs) is increasing, along with the variety
in their design and analysis. The simplest approach for their sample size calculation is to …

Short-term improvement in insomnia symptoms predicts long-term improvements in sleep, pain, and fatigue in older adults with comorbid osteoarthritis and insomnia

MV Vitiello, SM McCurry, SM Shortreed, LD Baker… - Pain®, 2014 - Elsevier
In a primary care population of 367 older adults (aged⩾ 60 years) with osteoarthritis (OA)
pain and insomnia, we examined the relationship between short-term improvement in sleep …

Sample size determination for GEE analyses of stepped wedge cluster randomized trials

F Li, EL Turner, JS Preisser - Biometrics, 2018 - Wiley Online Library
In stepped wedge cluster randomized trials, intact clusters of individuals switch from control
to intervention from a randomly assigned period onwards. Such trials are becoming …

The long‐term effectiveness of a selective, personality‐targeted prevention program in reducing alcohol use and related harms: A cluster randomized controlled trial

NC Newton, PJ Conrod, T Slade… - Journal of Child …, 2016 - Wiley Online Library
Background This study investigated the long‐term effectiveness of Preventure, a selective
personality‐targeted prevention program, in reducing the uptake of alcohol, harmful use of …

Effect of monitoring surgical outcomes using control charts to reduce major adverse events in patients: cluster randomised trial

A Duclos, F Chollet, L Pascal, H Ormando, MJ Carty… - bmj, 2020 - bmj.com
Objective To determine the effect of introducing prospective monitoring of outcomes using
control charts and regular feedback on indicators to surgical teams on major adverse events …

[图书][B] Power analysis of trials with multilevel data

M Moerbeek, S Teerenstra - 2015 - books.google.com
Power Analysis of Trials with Multilevel Data is a valuable reference for anyone who wants
to perform power calculations on trials with hierarchical data. It provides a thorough …

A general method for calculating power for GEE analysis of complete and incomplete stepped wedge cluster randomized trials

Y Zhang, JS Preisser, EL Turner… - … methods in medical …, 2023 - journals.sagepub.com
Stepped wedge designs have uni-directional crossovers at randomly assigned time points
(steps) where clusters switch from control to intervention condition. Incomplete stepped …

Impact of scribes on performance indicators in the emergency department

R Arya, DM Salovich… - Academic …, 2010 - Wiley Online Library
Objectives: The objective was to quantify the effect of scribes on three measures of
emergency physician (EP) productivity in an adult emergency department (ED). Methods …

Combined universal and selective prevention for adolescent alcohol use: a cluster randomized controlled trial

M Teesson, NC Newton, T Slade, N Carragher… - Psychological …, 2017 - cambridge.org
BackgroundNo existing models of alcohol prevention concurrently adopt universal and
selective approaches. This study aims to evaluate the first combined universal and selective …

Marginal modeling of cluster-period means and intraclass correlations in stepped wedge designs with binary outcomes

F Li, H Yu, PJ Rathouz, EL Turner, JS Preisser - Biostatistics, 2022 - academic.oup.com
Stepped wedge cluster randomized trials (SW-CRTs) with binary outcomes are increasingly
used in prevention and implementation studies. Marginal models represent a flexible tool for …