Building A Longitudinal Cohort From 9‐1‐1 to 1‐Year Using Existing Data Sources, Probabilistic Linkage, and Multiple Imputation: A Validation Study

Objective The objective was to describe and validate construction of a population‐based, longitudinal cohort of injured older adults from 9‐1‐1 call to 1‐year follow‐up using existing data sources, probabilistic linkage, and multiple imputation. Methods This was a descriptive cohort study conducted in seven counties in Oregon and Washington from January 1, 2011, through December 31, 2011, with follow‐up through December 31, 2012. The primary...