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Objective: To develop novel, scalable, and valid literacy profiles for identifying limited health literacy patients by harnessing natural language processing., Data Source: With respect to the linguistic content, we analyzed 283 216 secure messages sent by 6941 diabetes patients to physicians within an integrated system's electronic portal. Sociodemographic, clinical, and utilization data were obtained via questionnaire and electronic health records., Study Design: Retrospective study used natural language processing and machine learning to generate five unique "Literacy Profiles" by employing various sets of linguistic indices: Flesch-Kincaid (LP_FK); basic indices of writing complexity, including lexical diversity (LP_LD) and writing quality (LP_WQ); and advanced indices related to syntactic complexity, lexical sophistication, and diversity, modeled from self-reported (LP_SR), and expert-rated (LP_Exp) health literacy. We first determined the performance of each literacy profile relative to self-reported and expert-rated health literacy to discriminate between high and low health literacy and then assessed Literacy Profiles' relationships with known correlates of health literacy, such as patient sociodemographics and a range of health-related outcomes, including ratings of physician communication, medication adherence, diabetes control, comorbidities, and utilization., Principal Findings: LP_SR and LP_Exp performed best in discriminating between high and low self-reported (C-statistics: 0.86 and 0.58, respectively) and expert-rated health literacy (C-statistics: 0.71 and 0.87, respectively) and were significantly associated with educational attainment, race/ethnicity, Consumer Assessment of Provider and Systems (CAHPS) scores, adherence, glycemia, comorbidities, and emergency department visits., Conclusions: Since health literacy is a potentially remediable explanatory factor in health care disparities, the development of automated health literacy indicators represents a significant accomplishment with broad clinical and population health applications. Health systems could apply literacy profiles to efficiently determine whether quality of care and outcomes vary by patient health literacy; identify at-risk populations for targeting tailored health communications and self-management support interventions; and inform clinicians to promote improvements in individual-level care., (© 2020 The Authors. Health Services Research published by Wiley Periodicals LLC on behalf of Health Research and Educational Trust.)

Background: Diabetes self-management education (DSME) is considered essential for improving the prevention and care of diabetes through empowering patients to increase agency in their own health and care processes. However, existing evidence regarding DSME in the EU Member States (EU MS) is insufficient to develop an EU-wide strategy., Objectives: This study presents the state of DSME in the 28 EU MS and contrasts it with 3 non-EU countries with comparable Human Development Index score: Israel, Taiwan, and the USA (ITU). Because type 2 diabetes mellitus (T2DM) disproportionately affects minority and low-income groups, we paid particular attention to health literacy aspects of DSME for vulnerable populations., Methods: Data from multiple stakeholders involved in diabetes care were collected from Feb 2014 to Jan 2015 using an online Diabetes Literacy Survey (DLS). Of the 379 respondents (249 from EU MS and 130 from ITU), most were people with diabetes (33% in the EU MS, 15% in ITU) and care providers (47% and 72%). These data were supplemented by an expert survey (ES) administered to 30 key informants., Results: Access to DSME varies greatly in the EU MS: an average of 29% (range 21% to 50%) of respondents report DSME programs are tailored for people with limited literacy, educational attainment, and language skills versus 63% in ITU. More than half of adult T2DM patients and children/adolescents participate in DSME in EU MS; in ITU, participation of T1DM patients and older people is lower. Prioritization of DSME (6.1 ± 2.8 out of 10) and the level of satisfaction with the current state of DSME (5.0 ± 2.4 out of 10) in the EU MS were comparable with ITU., Conclusion: Variation in availability and organization of DSME in the EU MS presents a clear rationale for developing an EU-wide diabetes strategy to improve treatment and care for people with diabetes.

Background: Chronic kidney disease (CKD) is common and is associated with excess mortality and morbidity. Better management could slow progression of disease, prevent metabolic complications, and reduce cardiovascular outcomes. Low patient awareness of CKD and ineffective patient-provider communication can impede such efforts. We developed provider and patient-directed interventions that harness health information technology to enhance provider recognition of CKD and delivery of guideline concordant care and augment patient understanding and engagement in CKD care., Methods/design: We report the design and protocol of the Kidney Awareness Registry and Education (KARE) Study, a 2x2 factorial randomized controlled trial that examines the impact of a multi-level intervention on health outcomes among low-income English, Spanish and Cantonese-speaking patients with CKD in a safety net system. The intervention includes: (1) implementation of a primary care electronic CKD registry that notifies practice teams of patients' CKD status and employs a patient profile and quarterly feedback to encourage provision of guideline-concordant care at point-of-care and via outreach; and (2) a language-concordant, culturally-sensitive self-management support program that consists of automated telephone modules, provision of low-literacy written patient-educational materials and telephone health coaching. The primary outcomes of the trial are changes in systolic blood pressure (BP) and the proportion of patients with BP control (≤ 140/90 mmHg) after one year. Secondary outcomes include patient understanding of CKD, participation in healthy behaviors, and practice team delivery of guideline-concordant CKD care., Discussion: Results from the KARE study will provide data on the feasibility, effectiveness, and acceptability of technology-based interventions that support primary care efforts at improving health outcomes among vulnerable patients with CKD., Trial Registration: ClinicalTrials.gov, number: NCT01530958.

Background: Despite federal laws requiring language access in healthcare settings, most US pharmacies are unable to provide prescription (Rx) medication instructions to limited English proficient (LEP) patients in their native language., Objective: To evaluate the efficacy of health literacy-informed, multilingual Rx instructions (the ConcordantRx instructions) to improve Rx understanding, regimen dosing and regimen consolidation in comparison to standard, language-concordant Rx instructions., Design: Randomized, experimental evaluation., Participants: Two hundred and two LEP adults speaking five non-English languages (Chinese, Korean, Russian, Spanish, Vietnamese), recruited from nine clinics and community organizations in San Francisco and Chicago., Intervention: Subjects were randomized to review Rx bottles with either ConcordantRx or standard instructions., Main Measures: Proper demonstration of common prescription label instructions for single and multi-drug medication regimens. Regimen consolidation was assessed by determining how many times per day subjects would take medicine for a multi-drug regimen., Key Results: Subjects receiving the ConcordantRx instructions demonstrated significantly greater Rx understanding, regimen dosing and regimen consolidation in comparison to those receiving standard instructions (incidence rate ratio [IRR]: 1.25, 95 % confidence interval [CI]: 1.06-1.48; P= 0.007 for Rx understanding, IRR: 1.19, 95 % CI: 1.03-1.39; P= 0.02 for regimen dosing and IRR: 0.76, 95 % CI: 0.64-0.90; P= 0.001 for regimen consolidation). In most cases, instruction type was the sole, independent predictor of outcomes in multivariate models controlling for relevant covariates., Conclusions: There is a need for standardized, multilingual Rx instructions that can be implemented in pharmacy practices to promote safe medication use among LEP patients. The ConcordantRx instructions represent an important step towards achieving this goal.

Background: Self-care training can reduce hospitalization for heart failure (HF), and more intensive intervention may benefit more vulnerable patients, including those with low literacy., Methods and Results: A 1-year, multisite, randomized, controlled comparative effectiveness trial with 605 patients with HF was conducted. Those randomized to a single session received a 40-minute in-person, literacy-sensitive training; the multisession group received the same initial training and then ongoing telephone-based support. The primary outcome was combined incidence of all-cause hospitalization or death; secondary outcomes included HF-related hospitalization and HF-related quality of life, with prespecified stratification by literacy. Overall, the incidence of all-cause hospitalization and death did not differ between intervention groups (incidence rate ratio, 1.01; 95% confidence interval, 0.83-1.22). The effect of multisession training compared with single-session training differed by literacy group: Among those with low literacy, the multisession training yielded a lower incidence of all-cause hospitalization and death (incidence rate ratio, 0.75; 95% confidence interval, 0.45-1.25), and among those with higher literacy, the multisession intervention yielded a higher incidence (incidence rate ratio, 1.22; 95% confidence interval, 0.99-1.50; interaction P=0.048). For HF-related hospitalization, among those with low literacy, multisession training yielded a lower incidence (incidence rate ratio, 0.53; 95% confidence interval, 0.25-1.12), and among those with higher literacy, it yielded a higher incidence (incidence rate ratio, 1.32; 95% confidence interval, 0.92-1.88; interaction P=0.005). HF-related quality of life improved more for patients receiving multisession than for those receiving single-session interventions at 1 and 6 months, but the difference at 12 months was smaller. Effects on HF-related quality of life did not differ by literacy., Conclusions: Overall, an intensive multisession intervention did not change clinical outcomes compared with a single-session intervention. People with low literacy appear to benefit more from multisession interventions than people with higher literacy., Clinical Trial Registration: URL: http://www.clinicaltrials.gov. Unique identifier: NCT00378950.

Objective: Agreement between patients and physicians is an indicator of successful communication. Concordance in domains of communication among patients with heart disease and communication barriers has not been studied., Methods: English, Spanish, or Cantonese-speaking patients seen at a public hospital cardiology clinic were assessed with pre-visit questionnaires. Surveys of patients and their physicians immediately after the visit asked each about: (1) cardiac functional status, (2) barriers to self-management, (3) cardiac diagnoses, and (4) treatment. We assessed patient-physician concordance in these domains., Results: 179 patients and 56 physicians completed the study. Patients had low educational attainment, limited literacy and limited English proficiency. Physicians underestimated patients' cardiac functioning status (NYHA Classes 2-4), by 1 class or more in 50% of visits. Physicians were frequently unaware of medication (38/57, 67%) and psychosocial (61/88, 69%) barriers. Patients were unable to describe even 1 matching diagnosis (72/170, 42% concordant) among 5 categories. Physicians' reported medication changes in 106/179 (59%) but patients failed to report these changes in 55% (58/106). Multivariate logistic regression analyses showed no significant association between patient characteristics and concordance., Conclusion: Patients and physicians often fail to communicate effectively and determinants of concordance in CVD care require further investigation., Practice Implications: Developing strategies to improve communication within the medical encounter are critical to improving ambulatory chronic disease management., (Copyright © 2010 Elsevier Ireland Ltd. All rights reserved.)

Self-management is vital for achieving optimal health outcomes for patients with heart failure (HF). We sought to develop an intervention to improve self-management skills and behaviors for patients with HF, especially those with low health literacy. Individuals with low health literacy have difficulty reading and understanding written information and comprehending numerical information and performing calculations, and they tend to have worse baseline knowledge, short-term memory, and working memory compared with individuals with higher health literacy. This paper describes theoretical models that suggest methods to improve the design of educational curricula and programs for low literate audiences, including cognitive load theory and learning mastery theory. We also outline the practical guiding principles for designing our intervention, which includes a multisession educational strategy that teaches patients self-care skills until they reach behavioral goals ("Teach to Goal"). Our intervention strategy is being tested in a randomized controlled trial to determine if it is superior to a single-session brief educational intervention for reducing hospitalization and death. If this trial shows that the "Teach to Goal" approach is superior, it would support the value of incorporating these design principles into educational interventions for other diseases.

Background: Patient understanding in clinical informed consent is often poor. Little is known about the effectiveness of interventions to improve comprehension or the extent to which such interventions address different elements of understanding in informed consent., Purpose: . To systematically review communication interventions to improve patient comprehension in informed consent for medical and surgical procedures. Data Sources. A systematic literature search of English-language articles in MEDLINE (1949-2008) and EMBASE (1974-2008) was performed. In addition, a published bibliography of empirical research on informed consent and the reference lists of all eligible studies were reviewed. Study Selection. Randomized controlled trials and controlled trials with nonrandom allocation were included if they compared comprehension in informed consent for a medical or surgical procedure. Only studies that used a quantitative, objective measure of understanding were included. All studies addressed informed consent for a needed or recommended procedure in actual patients. Data Extraction. Reviewers independently extracted data using a standardized form. All results were compared, and disagreements were resolved by consensus. Data Synthesis. Forty-four studies were eligible. Intervention categories included written information, audiovisual/multimedia, extended discussions, and test/feedback techniques. The majority of studies assessed patient understanding of procedural risks; other elements included benefits, alternatives, and general knowledge about the procedure. Only 6 of 44 studies assessed all 4 elements of understanding. Interventions were generally effective in improving patient comprehension, especially regarding risks and general knowledge. Limitations. Many studies failed to include adequate description of the study population, and outcome measures varied widely., Conclusions: . A wide range of communication interventions improve comprehension in clinical informed consent. Decisions to enhance informed consent should consider the importance of different elements of understanding, beyond procedural risks, as well as feasibility and acceptability of the intervention to clinicians and patients. Conceptual clarity regarding the key elements of informed consent knowledge will help to focus improvements and standardize evaluations.

Background: Little is known about adverse events (AEs) that occur between physician visits for ambulatory chronic disease patients. An automated telephone self-management support programme for a diverse population of diabetes patients was implemented to capture AEs, describe the self-management domains from which they emanate and explore contributing causes., Methods: AEs and potential AEs (PotAEs) were identified among 111 ethnically diverse diabetes patients. An AE is an injury that results from either medical management or patient self-management; a PotAE is an unsafe state likely to lead to an event if it persists without intervention. Medical record reviews were conducted to ascertain which self-management domain was involved with the event and to explore contributing causes., Results: Among the 111 patients, 86% had at least one event detected over the 9-month observation period. 111 AEs and 153 PotAEs were identified. For all events, medication management was the most common domain (166 events, 63%). Only 20% of events reflected a single contributing cause; in the remaining 80%, a combination of system, clinician and patient factors contributed to their occurrence. Patient actions were implicated in 205 (77%) events, systems issues in 183 (69%) events and inadequate physician-patient communication in 155 (59%) events. Aside from communication, primary care clinician actions contributed to the occurrence of the event in only 16 cases (6%)., Conclusions: Our findings reveal a complex safety ecology, with multiple contributing causes for AEs and PotAEs among ambulatory diabetes patients. Moreover, patients themselves seem to be key drivers of safety and of AEs, suggesting that patient-level self-management support and patient-centred communication are critical to AE prevention.

Background: Heart failure (HF) is common, costly and associated with significant morbidity and poor quality of life, particularly for patients with low socioeconomic status. Self-management training has been shown to reduce HF related morbidity and hospitalization rates, but there is uncertainty about how best to deliver such training and what patients benefit. This study compares a single session self-management HF training program against a multiple session training intervention and examines whether their effects differ by literacy level., Methods/design: In this randomized controlled multi-site trial, English and Spanish-speaking patients are recruited from university-affiliated General Internal Medicine and Cardiology clinics at 4 sites across the United States. Eligible patients have HF with New York Heart Association class II-IV symptoms and are prescribed a loop diuretic. Baseline data, including literacy level, are collected at enrollment and follow-up surveys are conducted at 1, 6 and 12 months. Upon enrollment, both the control and intervention groups receive the same 40 minute, literacy-sensitive, in-person, HF education session covering the 4 key self-management components of daily self assessment and having a plan, salt avoidance, exercise, and medication adherence. All participants also receive a literacy-sensitive workbook and a digital bathroom scale. After the baseline education was completed, patients are randomly allocated to return to usual care or to receive ongoing education and training. The intervention group receives an additional 20 minutes of education on weight and symptom-based diuretic self-adjustment, as well as periodic follow-up phone calls from the educator over the course of 1 year. These phone calls are designed to reinforce the education, assess participant knowledge of the education and address barriers to success.The primary outcome is the combined incidence of all cause hospitalization and death. Secondary outcomes include HF-related quality of life, HF-related hospitalizations, knowledge regarding HF, self-care behavior, and self-efficacy. The effects of each intervention will be stratified by patient literacy, in order to identify any differential effects., Discussion: Enrollment of the proposed 660 subjects will continue through the end of 2009. Outcome assessments are projected to be completed by early 2011., Trial Registration: ClinicalTrials.gov (http://www.clinicaltrials.gov/) NCT00378950.

Objective: In this pilot study, we evaluated the impact of providing patients with a literacy-appropriate diabetes education guide accompanied by brief counseling designed for use in primary care., Methods: We provided the Living with Diabetes guide and brief behavior change counseling to 250 English and Spanish speaking patients with type 2 diabetes. Counseling sessions using collaborative goal setting occurred at baseline and by telephone at 2 and 4 weeks. We measured patients' activation, self-efficacy, diabetes distress, knowledge, and self-care at baseline and 3-month follow-up., Results: Statistically significant (p

Background: It is unknown whether health-related media stories reach diverse older adults and influence advance care planning (ACP)., Objective: To determine exposure to media coverage of Terri Schiavo (TS) and its impact on ACP., Design and Participants: Descriptive study of 117 English/Spanish-speakers, aged >or=50 years (mean 61 years) from a county hospital, interviewed six months after enrollment into an advance directive study., Measurements: We assessed whether participants had heard of TS and subject characteristics associated with exposure. We also asked whether, because of TS, subjects engaged in ACP., Main Results: Ninety-two percent reported hearing of TS. Participants with adequate literacy were more likely than those with limited literacy to report hearing of TS (100% vs. 79%, P < .001), as were participants with >or= a high school vs. < high school education (97% vs. 82%, P = .004), and English vs. Spanish-speakers (96% vs. 85%, P = .04). Because of TS, many reported clarifying their own goals of care (61%), talking to their family/friends about ACP (66%), and wanting to complete an advance directive (37%)., Conclusions: Most diverse older adults had heard of TS and reported that her story activated them to engage in ACP. Media stories may provide a powerful opportunity to engage patients in ACP and develop public health campaigns.

The authors examined whether tailored self-management support (SMS) strategies reach patients in a safety net system and explored variation by language, literacy, and insurance. English-, Spanish-, and Cantonese-speaking diabetes patients were randomized to weekly automated telephone disease management (ATDM) or monthly group medical visits. The SMS programs employ distinct communication methods but share common objectives, including behavioral "action plans." Reach was measured using three complementary dimensions: (a) participation among clinics, clinicians, and patients; (b) patient representativeness; and (c) patient engagement with SMS. Participation rates were high across all levels and preferentially attracted Spanish-language speakers, uninsured, and Medicaid recipients. Although both programs engaged a significant proportion in action planning, ATDM yielded higher engagement, especially among those with limited English proficiency and limited literacy. These results provide important insights for health communication and translational research with respect to realizing the public health benefits of SMS and can inform system-level planning to reduce health disparities.

Objective: We sought to identify interest in different modes of self-management support among diabetes patients cared for in public hospitals, and to assess whether demographic or disease-specific factors were associated with patient preferences. We explored the possible role of a perceived communication need in influencing interest in self-management support., Methods: Telephone survey of a random sample of 796 English and Spanish-speaking diabetes patients (response rate 47%) recruited from four urban US public hospital systems. In multivariate models, we measured the association of race/ethnicity, primary language, self-reported health literacy, self-efficacy, and diabetes-related factors on patients' interest in three self-management support strategies (telephone support, group medical visits, and Internet-based support). We explored the extent to which patients believed that better communication with providers would improve their diabetes control, and whether this perception altered the relationship between patient factors and self-management support acceptance., Results: Sixty-nine percent of respondents reported interest in telephone support, 55% in group medical visits, and 42% in Internet. Compared to Non-Hispanic Whites, Spanish-speaking Hispanics were more interested in telephone support (OR 3.45, 95% CI 1.97-6.05) and group medical visits (OR 2.45, 95% CI 1.49-4.02), but less interested in Internet self-management support (OR 0.56, 95% CI 0.33-0.93). African-Americans were more interested than Whites in all three self-management support strategies. Patients with limited self-reported health literacy were more likely to be interested in telephone support than those not reporting literacy deficits. Forty percent reported that their diabetes would be better controlled if they communicated better with their health care provider. This perceived communication benefit was independently associated with interest in self-management support (p<0.001), but its inclusion in models did not alter the strengths of the main associations between patient characteristics and self-management support preferences., Conclusion: Many diabetes patients in safety-net settings report an interest in receiving self-management support, but preferences for modes of delivery of self-management support vary by race/ethnicity, language proficiency, and self-reported health literacy., Practice Implications: Public health systems should consider offering a range of self-management support services to meet the needs of their diverse patient populations. More broad dissemination and implementation of self-management support may help address the unmet need for better provider communication among diabetes patients in these settings.

Objective: To describe a process for developing low-literacy health education materials that increase knowledge and activate patients toward healthier behaviors., Methods: We developed a theoretically informed process for developing educational materials. This process included convening a multidisciplinary creative team, soliciting stakeholder input, identifying key concepts to be communicated, mapping concepts to a behavioral theory, creating a supporting behavioral intervention, designing and refining materials, and assessing efficacy., Results: We describe the use of this process to develop a diabetes self-management guide., Conclusions: Developing low-literacy health education materials that will activate patients toward healthier behaviors requires attention to factors beyond reading level.

Background: Many patients with chronic disease have limited health literacy (HL). Because physicians have difficulty identifying these patients, some experts recommend instituting screening programs in clinical settings. It is unclear if notifying physicians of patients' limited HL improves care processes or outcomes., Objective: To determine whether notifying physicians of their patients' limited HL affects physician behavior, physician satisfaction, or patient self-efficacy., Design: We screened all patients for limited HL and randomized physicians to be notified if their patients had limited HL skills., Participants: Sixty-three primary care physicians affiliated with a public hospital and 182 diabetic patients with limited HL., Measurements: After their visit, physicians reported their management strategies, satisfaction, perceived effectiveness, and attitudes toward HL screening. We also assessed patients' self-efficacy, feelings regarding HL screening's usefulness, and glycemic control., Results: Intervention physicians were more likely than control physicians to use management strategies recommended for patients with limited HL (OR 3.2, P=.04). However, intervention physicians felt less satisfied with their visits (81% vs 93%, P=.01) and marginally less effective (38% vs 53%, P=.10). Intervention and control patients' post-visit self-efficacy scores were similar (12.6 vs 12.9, P=.6). Sixty-four percent of intervention physicians and 96% of patients felt HL screening was useful., Conclusions: Physicians are responsive to receiving notification of their patients' limited HL, and patients support the potential utility of HL screening. However, instituting screening programs without specific training and/or system-wide support for physicians and patients is unlikely to be a powerful tool in improving diabetes outcomes.

While patients with poor functional health literacy (FHL) have difficulties reading and comprehending written medical instructions, it is not known whether these patients also experience problems with other modes of communication, such as face-to-face encounters with primary care physicians. We enrolled 408 English- and Spanish-speaking diabetes patients to examine whether patients with inadequate FHL report worse communication than patients with adequate FHL. We assessed patients' experiences of communication using sub-scales from the Interpersonal Processes of Care in Diverse Populations instrument. In multivariate models, patients with inadequate FHL, compared to patients with adequate FHL, were more likely to report worse communication in the domains of general clarity (adjusted odds ratio [AOR] 6.29, P<0.01), explanation of condition (AOR 4.85, P=0.03), and explanation of processes of care (AOR 2.70, p=0.03). Poor FHL appears to be a marker for oral communication problems, particularly in the technical, explanatory domains of clinician-patient dialogue. Research is needed to identify strategies to improve communication for this group of patients.

Background: Patients recall or comprehend as little as half of what physicians convey during an outpatient encounter. To enhance recall, comprehension, and adherence, it is recommended that physicians elicit patients' comprehension of new concepts and tailor subsequent information, particularly for patients with low functional health literacy. It is not known how frequently physicians apply this interactive educational strategy, or whether it is associated with improved health outcomes., Methods: We used direct observation to measure the extent to which primary care physicians working in a public hospital assess patient recall and comprehension of new concepts during outpatient encounters, using audiotapes of visits between 38 physicians and 74 English-speaking patients with diabetes mellitus and low functional health literacy. We then examined whether there was an association between physicians' application of this interactive communication strategy and patients' glycemic control using information from clinical and administrative databases., Results: Physicians assessed recall and comprehension of any new concept in 12 (20%) of 61 visits and for 15 (12%) of 124 new concepts. Patients whose physicians assessed recall or comprehension were more likely to have hemoglobin A(1c) levels below the mean (< or = 8.6%) vs patients whose physicians did not (odds ratio, 8.96; 95% confidence interval, 1.1-74.9) (P =.02). After multivariate logistic regression, the 2 variables independently associated with good glycemic control were higher health literacy levels (odds ratio, 3.97; 95% confidence interval, 1.09-14.47) (P =.04) and physicians' application of the interactive communication strategy (odds ratio, 15.15; 95% confidence interval, 2.07-110.78) (P<.01)., Conclusions: Primary care physicians caring for patients with diabetes mellitus and low functional health literacy rarely assessed patient recall or comprehension of new concepts. Overlooking this step in communication reflects a missed opportunity that may have important clinical implications.

Health information posted on the Internet has become a popular mode of communication with the population at large because millions of people now use the Internet to gather health information. Many studies on readability have shown that patient education information is frequently written at the reading level too high for the average population to understand, and the same holds true for health information on the Internet. The aim of this study was to determine the readability levels of health information found on diabetes-related websites displaying HONcode logo, which indicates to high quality of the information provided. The 99 websites tested for readability using the Flesch Reading Ease formula and Flesch-Kincaid level showed FRE score 2.1 to 79.6, with the mean 41.7 (10th grade, 8th month Flesch-Kincaid level), which indicates that 86.9% of these materials would be too difficult to read for the average adult population. It is suggested that the readability level, and the name of the formula used, be used on the websites themselves to help the Internet users decide which sites could be of the greatest benefit to them.

Context: Health literacy is a measure of patients' ability to read, comprehend, and act on medical instructions. Poor health literacy is common among racial and ethnic minorities, elderly persons, and patients with chronic conditions, particularly in public-sector settings. Little is known about the extent to which health literacy affects clinical health outcomes., Objectives: To examine the association between health literacy and diabetes outcomes among patients with type 2 diabetes., Design, Setting, and Participants: Cross-sectional observational study of 408 English- and Spanish-speaking patients who were older than 30 years and had type 2 diabetes identified from the clinical database of 2 primary care clinics of a university-affiliated public hospital in San Francisco, Calif. Participants were enrolled and completed questionnaires between June and December 2000. We assessed patients' health literacy by using the short-form Test of Functional Health Literacy in Adults (s-TOFHLA) in English or Spanish., Main Outcome Measures: Most recent hemoglobin A(1c) (HbA(1c)) level. Patients were classified as having tight glycemic control if their HbA(1c) was in the lowest quartile and poor control if it was in the highest quartile. We also measured the presence of self-reported diabetes complications., Results: After adjusting for patients' sociodemographic characteristics, depressive symptoms, social support, treatment regimen, and years with diabetes, for each 1-point decrement in s-TOFHLA score, the HbA(1c) value increased by 0.02 (P =.02). Patients with inadequate health literacy were less likely than patients with adequate health literacy to achieve tight glycemic control (HbA(1c) < or = 7.2%; adjusted odds ratio [OR], 0.57; 95% confidence interval [CI], 0.32-1.00; P =.05) and were more likely to have poor glycemic control (HbA(1c) > or = 9.5%; adjusted OR, 2.03; 95% CI, 1.11-3.73; P =.02) and to report having retinopathy (adjusted OR, 2.33; 95% CI, 1.19-4.57; P =.01)., Conclusions: Among primary care patients with type 2 diabetes, inadequate health literacy is independently associated with worse glycemic control and higher rates of retinopathy. Inadequate health literacy may contribute to the disproportionate burden of diabetes-related problems among disadvantaged populations. Efforts should focus on developing and evaluating interventions to improve diabetes outcomes among patients with inadequate health literacy.