Update on Health Literacy and Diabetes

Stacy Cooper Bailey, Angela G. Brega, Trisha M. Crutchfield, Tom Elasy, Haley Herr, Kimberly Kaphingst, Andrew J. Karter, Sarah Moreland-Russell, Chandra Y. Osborn, Michael Pignone, Russell Rothman, Dean Schillinger

Research output: Contribution to journalArticlepeer-review

122 Scopus citations

Abstract

Inadequate literacy is common among patients with diabetes and may lead to adverse outcomes. The authors reviewed the relationship between literacy and health outcomes in patients with diabetes and potential interventions to improve outcomes. We reviewed 79 articles covering 3 key domains: (1) evaluation of screening tools to identify inadequate literacy and numeracy, (2) the relationships of a range of diabetes-related health outcomes with literacy and numeracy, and (3) interventions to reduce literacy-related differences in health outcomes. Several screening tools are available to assess patients’ print literacy and numeracy skills, some specifically addressing diabetes. Literacy and numeracy are consistently associated with diabetes-related knowledge. Some studies suggest literacy and numeracy are associated with intermediate outcomes, including self-efficacy, communication, and self-care (including adherence), but the relationship between literacy and glycemic control is mixed. Few studies have assessed more distal health outcomes, including diabetes-related complications, health care utilization, safety, or quality of life, but available studies suggest low literacy may be associated with increased risk of complications, including hypoglycemia. Several interventions appear to be effective in improving diabetes-related outcomes regardless of literacy status, but it is unclear if these interventions can reduce literacy-related differences in outcomes. Low literacy is associated with less diabetes-related knowledge and may be related to other important health outcomes. Further studies are needed to better elucidate pathways by which literacy skills affect health outcomes. Promising interventions are available to improve diabetes outcomes for patients with low literacy; more research is needed to determine their effectiveness outside of research settings.

Original languageEnglish (US)
Pages (from-to)581-604
Number of pages24
JournalThe Diabetes Educator
Volume40
Issue number5
DOIs
StatePublished - Sep 2014

ASJC Scopus subject areas

  • Endocrinology, Diabetes and Metabolism
  • Health Professions (miscellaneous)

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