Health Numeracy Is Associated With a Patient's Ability to Interpret Patient-Reported Outcome Measures Data

Author:

Schultz Emily Ann,Eppler Sara L.,Gardner Michael,Hu Serena S.,Chou Loretta,Safran Marc,Amanatullah Derek F.,Abrams Geoffrey D.,Shapiro Lauren M.,Kamal Robin N.

Abstract

Background: Patient-reported outcome measures (PROMs) were originally developed as research tools; however, there is increasing interest in using PROMs to inform clinical care. Prior work has shown the benefits of implementing PROMs at the point of care, but a patient's health numeracy (their ability to understand and work with numbers) may affect their ability to interpret PROM results. Materials and Methods: We recruited patients presenting to an outpatient orthopedic clinic. Forty-nine patients completed a survey that included demographic information, the short-form General Health Numeracy Test, and accuracy questions about four PROM displays (bar graph, table, line graph, pictograph) that indicated the same PROM results. Results: Patients with higher health numeracy answered all display accuracy questions correctly ( P =.016). Patients who preferred using the table were more likely to answer display accuracy questions incorrectly (odds ratio, 0.013, P =.024). The two most frequently preferred PROM formats were bar graphs and tables, and most patients preferred to learn about their PROM function scores via a combination of displays and verbal discussions. Conclusion: Patient health numeracy is associated with the ability to correctly interpret visual displays of PROMs. Implementation of PROMs at point of care currently does not account for health numeracy. Efforts to account for health numeracy when using PROMs at point of care may improve the efficacy of using PROMs to improve outcomes in orthopedic surgery. [ Orthopedics . 202x;4x(x):xx–xx.]

Publisher

SLACK, Inc.

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