Creating Composite Indices From Continuous Variables for Research: The Geometric Mean

Affiliations

• ¹ Population Health Research Institute, Hamilton Health Sciences and McMaster University, Hamilton, Ontario, Canada gerstein@mcmaster.ca.
• ² Department of Medicine, McMaster University, Hamilton, Ontario, Canada.
• ³ Department of Health Research Methods, Evidence, and Impact, McMaster University, Hamilton, Ontario, Canada.
• ⁴ Population Health Research Institute, Hamilton Health Sciences and McMaster University, Hamilton, Ontario, Canada.