Accounting for expected attrition in the planning of cluster randomized trials for assessing treatment effect heterogeneity

Abstract Background Detecting treatment effect heterogeneity is an important objective in cluster randomized trials and implementation research. While sample size procedures for testing the average treatment effect accounting for participant attrition assuming missing completely at random or missing...

Full description

Bibliographic Details
Main Authors: Jiaqi Tong, Fan Li, Michael O. Harhay, Guangyu Tong
Format: Article
Language:English
Published: BMC 2023-04-01
Series:BMC Medical Research Methodology
Subjects:
Online Access:https://doi.org/10.1186/s12874-023-01887-8