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health literacy assessment, psychometric testing, S-TOFHLA



  1. Thomason, Tanna R. PhD, RN-BC, CNS
  2. Mayo, Ann M. DNSc, RN, CNS, FAAN


Effective healthcare relies on the ability to communicate with patients. Ninety-eight million Americans are estimated to have limited health literacy that can impair their ability to read and interpret health-related education and information. Low health literacy is associated with higher mortality and 30-day hospital readmissions. Clinical nurse specialists and other advanced practice nurses must be able to evaluate and select a health literacy assessment instrument that is both reliable and produces valid data for the populations they serve. To assist with this important decision-making process, the psychometric properties of the Short Test of Functional Health Literacy in Adults are critiqued in the following article.