Mismatch Between Skills of Patients and Tools in Use: Might Literacy Affect Diagnoses and Research?

Universal Health Literacy Precautions Are Associated With a Significant Increase in Medication Adherence in Vulnerable Rheumatology Patients

OBJECTIVE

Our objective was to determine the impact of the Health Literacy Universal Precautions Toolkit, adapted for rheumatology, on medication adherence, patient satisfaction, and feasibility in all patients; its effect on the clinical disease activity index (CDAI) was studied in a rheumatoid arthritis (RA) subpopulation.

METHODS

Data collected during a 6-month prospective quality assurance intervention was compared with data from a prior 6-month period. Interventions included 1) encouraging questions, 2) teach-back communication, and 3) brown-bag medication review. Analysis was performed using linear regression or generalized estimating equation (GEE) regression.

RESULTS

During the intervention period, 46 physicians completed 1737 patient visits. Questions were encouraged, and teach-back communication was performed in more than 90% of visits. Brown-bag medication reviews were performed in 47% of visits overall and 69% of visits in a subgroup that received additional reminder calls. Visit duration and patient satisfaction were not significantly increased. Adherence for rheumatology-related medications that were prescribed both before and during the intervention increased by 22% (P ≤ 0.001; by GEE). Teach-back communication predicted a statistically significant improvement in medication adherence in this subpopulation (by linear regression). The mean CDAI did not improve; however, African American race and Hispanic ethnicity were associated with a decreased CDAI (by GEE).

CONCLUSION

Implementation of the Health Literacy Universal Precautions Toolkit, adapted for rheumatology, improved medication adherence in our safety-net clinic, with particularly strong effects seen with teach-back communication. In certain populations, use of the toolkit may also improve RA disease activity. This is the first study to document improved medication adherence with this intervention in a real-world setting.

Limited Health Literacy and Patient Confusion About Rheumatoid Arthritis Patient Global Assessments and Model Disease States

OBJECTIVE

Patient global assessment visual analog scales (PGA-VAS) are widely used in rheumatoid arthritis (RA) practice and research, and low PGA-VAS scores are required for remission. Vulnerable patients with RA may have difficulty completing the PGA-VAS. There is limited information about both patients' perceptions of PGA-VAS and how patients score VAS model disease states. The objective of this study was to understand the perspectives of vulnerable patients regarding PGA-VAS and model disease states.

METHODS

We enrolled patients with RA at Denver Health (n = 300). Subjects completed the PGA-VAS in the Disease Activity Score in 28 joints and the Multidimensional Health Assessment Questionnaire and completed a questionnaire regarding these PGA-VAS. Subjects also scored remission, mild, moderate, and severe model disease states by VAS. We performed analyses by linear and logistic regression and by using summary statistics. Outcomes included whether subjects found the PGA-VAS confusing, whether subjects' responses to the model disease states followed a natural progression (remission <mild <moderate <severe), and whether responses to the remission model would meet Boolean and Simplified Disease Activity Index-based remission criteria.

RESULTS

Approximately 40% of subjects found the PGA-VAS confusing; lower health literacy and depressive symptoms were associated with finding them confusing. Less than 25% of subjects ranked the model disease states with natural progression and ranked the remission model at the threshold for remission; higher health literacy and income were associated with accomplishing these objectives.

CONCLUSION

Vulnerable patients perceive difficulty with PGA-VAS and do not reliably rate a model disease state VAS. These patients are potentially at risk for disease activity misclassification because of literacy and other barriers in completing VAS.

Role of Health Literacy in Self-Reported Musculoskeletal Disorders

Self-report of musculoskeletal conditions is often used to estimate population prevalence and to determine disease burden and influence policy. However, self-report of certain musculoskeletal conditions is frequently inaccurate, suggesting inadequate communication to the patient of their diagnosis. The aim of this study is to determine the association between functional health literacy (FHL) and self-reported musculoskeletal conditions in a representative population survey. FHL was measured using Newest Vital Sign in 2824 randomly selected adults. Participants also self-reported medically diagnosed arthritis, gout, and osteoporosis. Multiple logistic regression was adjusted for age and sex. The prevalence of self-reported arthritis, gout, and osteoporosis was 25.2%, 4.9%, and 5.6%, respectively. The prevalence of those at risk for inadequate FHL was 24.0% and high likelihood of inadequate FHL was 21.0%. However, over 50% of respondents with arthritis or gout had at risk/inadequate FHL, increasing to 70% of those self-reporting osteoporosis. After adjustment for age and sex, respondents in the arthritis subgroup of "don't know" and self-reported osteoporosis were significantly more likely to have inadequate FHL than the general population. This study indicates a substantial burden of low health literacy amongst people with musculoskeletal disease. This has implications for provider-patient communication, individual healthcare, population estimates of musculoskeletal disease, and impact of public health messages.

The comprehensibility of health education programs: questionnaire development and results in patients with chronic musculoskeletal diseases

OBJECTIVE

The objective was to develop a comprehensive questionnaire for measuring the patient-perceived comprehensibility of health education programs (COHEP questionnaire). According to a conceptual model outlined in the article, comprehensibility is considered a context factor of patient health literacy.

METHODS

A questionnaire study was carried out on N=577 patients with chronic musculoskeletal diseases. During inpatient rehabilitation, patients participated in standardized, interactive group education programs conducted by clinic personnel. Factorial structure, unidimensionality, reliability, fit to the Rasch model, and construct validity were tested.

RESULTS

The COHEP consists of 30 items and 4 scales (comprehension-fostering behavior of program trainers, transferability to everyday life, comprehensibility of medical information, amount of information). All scales are reliable, unidimensional, and meet the requirements of the Rasch model. In addition, there are initial indications of validity. The descriptive results show that the overall rating of the comprehensibility of patient education programs in the German rehabilitation system is good, but that there are clear differences between centers.

CONCLUSION

The COHEP can be used to evaluate health education programs, since it measures an important proximal outcome.

PRACTICE IMPLICATIONS

An analysis of patient-perceived comprehensibility can help providers adapt education sessions better to the health literacy of patients.

Health literacy and depression in the context of home visitation

We explored health literacy in parents as an underlying construct that develops through social interaction and reflection and involves an array of skills that enable a parent to manage personal and child health and healthcare. We hypothesized that depression impairs health literacy and impedes efforts to promote health literacy through home visitation. We analyzed an AHRQ/NIH database of 2,572 parent/child dyads compiled in a 2006–2008 quasi-experimental six-site nationwide study using multiple waves of measurement and a matched comparison group. Cohort families participated in home visitation programs augmented to develop parents’ reflective skills. Visitors monitored depression, health- and healthcare-related practices, and surrounding family conditions at baseline and 6-month intervals for up to 36 months using the Life Skills Progression instrument. We examined differences in initial depression ratings for demographic subgroups and explored patterns of change in health literacy among depressed versus not-depressed parents. Correlation analysis showed that at each of four assessments better depression scores were consistently and positively correlated with use of information and services (r = 21–22, P < .001) and with self-management of personal and child health (r = 42–49, P < .001). Overall, parents made significant improvements in health literacy (P < .001). As expected, depressed parents demonstrated lower baseline health literacy scores than not-depressed parents; however, they achieved greater gains (P < .001). While depression is linked with lower parental health literacy, after 1 year of enhanced home visitation, vulnerable parents were better able to manage personal and family health and healthcare, especially if depressed. Enhanced home visitation could be an effective channel to develop health literacy as a life skill, and to improve depression.