Abstract
OBJECTIVE: In Japan, educational materials on the home care of coronavirus disease 2019 (COVID-19) were developed owing to limited access to medical care during the pandemic. This study quantitatively evaluated the understandability, actionability, natural flow, and readability of 87 materials published by local governments in Japan for patients with COVID-19. Their understandability and actionability were rated using the Japanese version of the Patient Education Material Evaluation Tool for Printed Materials (PEMAT-P). Natural flow and readability were rated using Global Quality Score (GQS) and jReadability, respectively. RESULTS: Of the 87 materials, 55 (62.1%) were understandable and 33 (37.9%) were actionable according to the PEMAT-P. Regarding understandability, the materials used medical terms without providing definitions and lacked summaries. Regarding actionability, the materials did not demonstrate explicit steps or utilize visual aids to help the readers take action. The mean (SD) of GQS was 3.44 (0.98), indicating a moderate level of naturalness and comprehensiveness of the materials. The mean (SD) score for readability was 2.4 (0.6), indicating a "lower advanced" level. However, challenges regarding the materials' plain language remained, such as defining medical terms, summarizing the content for understandability, and using charts and tables that encourage patients to act.