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The objective was to evaluate the diagnostic accuracy of five health literacy screening instruments in emergency department (ED) patients: the Rapid Evaluation of Adult Literacy in Medicine‐Revised (REALM‐R), the Newest Vital Sign (NVS), Single Item Literacy Screens (SILS), health numeracy, and physician gestalt. A secondary objective was to evaluate the feasibility of these instruments as measured by administration time, time on task, and interruptions during test administration.

This was a prospective observational cross‐sectional study of a convenience sampling of adult patients presenting during March 2011 and February 2012 to one urban university‐affiliated ED. Subjects were consenting non–critically ill, English‐speaking patients over the age of 18 years without aphasia, dementia, mental retardation, or inability to communicate. The diagnostic test characteristics of the REALM‐R …