Design, analysis, power, and sample size calculation for three-phase interrupted time series analysis in evaluation of health policy interventions.

Bo ZhangWei LiuStephenie C LemonBruce A BartonMelissa A FischerColleen LawrenceElizabeth J RahnMaria I DanilaKenneth G SaagPaul A HarrisJeroan J Allison

Published in: Journal of evaluation in clinical practice (2019)

This article provides a convenient tool for investigators to generate sample sizes to ensure sufficient statistical power when three-phase ITS study design is implemented.

Keyphrases

public health
healthcare
health information