Limited health literacy, defined broadly as the diminished capacity to obtain, understand, and act on basic health-related information, has been identified as an important factor impacting the quality of health care today.1-4 More specifically, limited health literacy has been identified as a risk factor for a number of adverse outcomes, including the underuse of preventive services, limited patient participation in medical decision making, poor selfmanagement/reduced adherence, delayed presentation and diagnosis, and increased hospitalizations.
2-6Patients with limited health literacy also incur significantly higher medical costs despite less than optimal care 7,8 and have worse health outcomes across a number of measures.
2,4As defined, limited health literacy is not simply a "patient problem," but one shared by the provider and health care system, with implications for the quality of care.2,3 Because it occurs within the context of care delivery, the problem of limited health literacy places a greater burden on the clinician to improve communication and ensure patient understanding. 9 This is especially true within the framework of patient-centered care, which explicitly requires that clinicians effectively elicit and incorporateThis article was externally peer reviewed.