How Do You Estimate the Degree of Clustering for Outcomes?

How Do You Estimate the Degree of Clustering for Outcomes?

Description

Dr. Liz Turner discusses estimating the degree of clustering for outcomes, starting with consulting other studies with similar settings and looking in the EHRs to see what data is available to inform and give a preliminary estimate of the ICC.

Speaker

Liz Turner, PhD
Associate Professor, Biostatistics and Bioinformatics and Global Health
Biostatistics and Study Design Core Co-Chair

 

Related

What Are the Reasons to Randomize Clusters Instead of Individuals?

What Is Outcome Clustering, and How Can It Affect a Trial?

What Is the Intraclass Correlation Coefficient?

How Does Clustering Affect Power and Detectable Difference?