Literacy and health literacy-why they matter to health professionals

The purpose of this article is to provide an overview to literacy, factors that impact literacy, literacy’s relationship to health, and resources to help improve health literacy. Health literacy —the ability to obtain, process, and understand basic health information and services to make appropriate health decisions— is essential to promote healthy people and communities. Improvements are still needed in our efforts to support health literacy despite a call to action by the American Medical Association in 2005: Literacy levels of adults in Texas


Introduction
The purpose of this article is to provide an overview to literacy, factors that impact literacy, literacy's relationship to health, and resources to help improve health literacy.Health literacy -the ability to obtain, process, and understand basic health information and services to make appropriate health decisions-is essential to promote healthy people and communities.Improvements are still needed in our efforts to support health literacy despite a call to action by the American Medical Association 1 in 2005:

Literacy levels of adults in Texas
It is estimated that on average 19% of adult Texans have only Basic Prose Literacy Skills (BPLS) which means they are unable to read newspaper articles, brochures, and identify basic information (Fig- ure). 2 This percentage is likely influenced by Texas's high minority population for whom English is a second language; however, based on the author's experience, providing print materials in individuals' first languages may not be effective either, as they may also have a low reading level in their first language.The reading level of most US adults is estimated to be at about the 8 th grade level. 3It is recommended that print

Abstract
Low literacy and low health literacy affect people in all demographic strata and interfere with patients' abilities to understand and act on information provided by health care providers.Many print health education materials are written at reading levels well above those recommended.Thus, compliance to health messages is compromised, and health costs are increased.As medicine moves into new fields such as precision medicine, effective communication between patients and health care professionals becomes even more challenging and important.
Key words: Literacy, health literacy, patient education "As a community of healthcare professionals, we expect medicine to change.To keep abreast of new techniques and therapies, we constantly study and reform our practices.Now we must begin looking at our patients in the same light.We must renounce the view that all patients are comfortable with receiving information in the same way.As a nation, we will not see improvements in health outcomes without some modifications to our own behaviors and how we communicate, effectively, with both individual patients and the public at large.By improving health literacy and our methods of communication, we will draw our communities closer, empower patients with a deeper ownership of their own health, and ready ourselves for whatever changes, be they medical or population based, that undoubtedly lie ahead."

Figure : Percentage by County of Illiterate Adult Texans (lacking Basic Prose Literacy Skills [BPLS])
2 health education materials be written at the 6 th grade reading level to accommodate individuals with a wide range of levels.Even though the first goal of the 2010 National Action Plan to Improve Health Literacy 4 is to "develop and disseminate health and safety information that is accurate, accessible, and actionable," the literacy demands of much health information exceeds the reading skills of most US adults. 5In a study on the reading demands of commercial patient educational materials, the mean grade reading level of the materials was 9.34 (above 9 th grade) with a standard deviation of 2.3.

6
A recent study evaluating patient education materials for patients with sickle cell disease found that 11 of the 13 materials evaluated had reading levels of 10 th grade and above. 7

Health literacy
Low health literacy is estimated to cost the U.S. economy up to $238 billion every year. 8Nearly half of all American adults--90 million people, or almost one in three U.S. residents--lack health literacy skills adequate to allow them to understand their diagnoses, follow medical instructions, make appropriate health decisions, and navigate our complicated health care system. 9Some of the specific consequences of limited health literacy [10][11][12] include: In a nationally representative sample of more than 6100 parents in which 28.7% of the parents had below basic/basic health literacy, 68.4% were unable to enter names and birth dates correctly on a health insurance form, 65.9% were unable to calculate the annual cost of a health insurance policy on the basis of family size, and 46.4% were unable to perform at least 1 of 2 medication-related tasks.13   Limited health literacy affects individuals in all racial, income, education, and age groups.However, the proportion of adults with basic or below basic health literacy 14 ranges from: Many of the same populations at risk for limited health literacy also suffer from disparities in health status, illness (including heart disease, diabetes, obesity, HIV/AIDS, oral disease, cancer deaths, and low birth weight), and death. 15Since it affects adults in all demographics to varying levels, limited health literacy isn't a condition that is easy to identify.When medical residents were asked to identify which of their patients had low health literacy, they identified 10 percent of their patients, whereas it was actually more than 30%. 16The patient's education level may not be an accurate indicator of his/her reading level. 17Thus, because it is difficult to identify patients with lower literacy levels, it is best to provide print materials with a reading level that would be appropriate for as many people as possible (i.e., 6 th grade).
While health literacy and literacy are closely related, health literacy depends on the context. 14Even people with strong literacy skills have problems with health literacy when "they are not familiar with medical terms or how their bodies work; they have to interpret numbers or risks to make a health care decision; they are diagnosed with a serious illness and are scared or confused; or they have complex conditions that require complicated self-care."

Future directions
The Roundtable on Health Literacy of the National Academies of Sciences, Engineering, and Medicine "envisions a society in which the demands of the health and health care systems are respectful of and aligned with people's skills, abilities, and values."18   The mission of the Roundtable is to inform, inspire, and activate a wide variety of stakeholders to support the development, implementation, and sharing of evidence-based health literacy practices and policies.On March 2, 2016, the Roundtable convened a workshop to examine the relevance of health literacy to precision medicine, a growing field that takes into account individuals' differences in genes, environments, and lifestyles.To implement precision medicine, improvements in the current state of health literacy of our population will be required.This renewed sense of importance prompts an additional call to action.Table provides some strategies for improving health literacy with patients and resources for professionals.In addition, policy strategies that promote universal access to health information, address health literacy as part of disparities initiatives, encourage public insurers to model improvements and innovations, and promote health education in K-12 schools, are warranted.• Avoid jargon; use plain language; speak slowly • Use "Teach Back" "Ask Me 3" TM methods ▶ "Teach Back" asks patients to put in their own words what health actions are being recommended ▶ "Ask Me 3" TM is a tool that encourages patients to ask the following three questions of their provider: "What is my main problem?" "What do I need to do?" and "Why is it important for me to do this?"

Use Multiple Forms of Communication 20
• Use pictures and videos to explain complex information or procedures

Table :
Resources to Improve Health Literacy

Print Materials for Patients 15, 19, 20, 21, 22, 23
Health literacy and patient safety: Help patients understand.Removing barriers to better, safer care.Manual for clinicians. 2 nd edition.American Medical Association Foundation and American Medical Association, 2007.http://www.med.fsu.edu/userFiles/file/ahec_health_clinicians_manual.pdfIncludesstrategies to enhance patient health literacy (making office patient-friendly, improving interpersonal communication with patients, creating and using patient-friendly print materials (consent forms and handouts, and use of audiovisual materials).•Plain Language Planner (PLP-PC) http://communicatecomfort.com/wp-content/uploads/2016/04/ PLP-Card-DIGITAL.pdfThe Plain Language Planner© (PLP) is a tool that translates common medical language into plain language.The PLP© is also integrated into the Health Communication iOS APP https://itunes.apple.com/us/app/health-communication/id697289957?mt=8 • Get feedback from patients to see which are most effectiveProfessional Resources• Centers for Disease Control and Prevention: http://www.cdc.gov/healthliteracy/index.html (can subscribe to Health Literacy Updates and the Bridging the Health Literacy Gap Blog)• Helen Osborne's Health Literacy online newsletter and podcasts, subscribe at: helen@healthliteracy.com • Weiss BD.