Power Considerations for Multiple-Group (Controlled) Interrupted Time Series Analysis: A Comprehensive Simulation Study
Evaluation & the Health Professions
Published online on March 17, 2026
Abstract
Evaluation & the Health Professions, Ahead of Print.
Currently there is little guidance on the power considerations for the multiple-group (controlled) interrupted time series design (MG-ITSA). In this study, simulations estimated power based on the number of time periods, the number of control units, when ...
Currently there is little guidance on the power considerations for the multiple-group (controlled) interrupted time series design (MG-ITSA). In this study, simulations estimated power based on the number of time periods, the number of control units, when ...