A Critical Appraisal of Web-Based Information on Shoulder Pain Comparing Biomedical Versus Psychosocial Information.

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Websites have become a primary way for patients to access health-related information which allows patients to not only understand their condition better but also to engage in better decision-making with their healthcare provider. However, this can be a double-edged sword, as information patients access may not be of high quality, easily readable, or could be biased based on website authorship. This study examines the readability and content quality of common websites about shoulder pain, with a specific focus on biomedical versus psychosocial information. The Flesch reading-ease score (FRES) and Flesch-Kincaid grade level (FKGL) instruments were used to assess website readability. Health on the net code of conduct (HONcode) certification and the DISCERN tool were used to evaluate the reliability and quality of information. Lastly, shoulder-specific content quality and focus was gauged using a shoulder-specific website appraisal tool (SWAT) created for this study. A systematic search protocol was used to identify popular shoulder injury websites. The websites were identified using 5 search terms (shoulder pain, shoulder muscle pain, shoulder impingement, shoulder rotator cuff pain, and shoulder pain diagnosis) across 5 English-speaking regions (US, Canada, UK, Australia, and New Zealand) using the Google search engine. The top 10 websites for each term and region combination were included and combined, yielding 41 original websites for appraisal; several (6) websites were omitted as duplicates, behind paywalls, or non-text (video) for a total of 35 websites appraised. On average, the FRES shoulder pain websites readability was 55.37, which is categorized as "fairly difficult" to read, and a 7th or 8th grade reading level based on the FKGL. For trustworthiness and bias, 57% (20 out of 35) of the websites were HONcode certified. The quality of healthcare information utilizing the DISCERN score averaged 50.92%. Examining shoulder-specific content quality, the average SWAT score was 10.54 out of 14 possible points, with only one website reporting information on psychosocial aspects of shoulder pain. This study suggests that shoulder pain websites present information that is at too high of a reading level for public consumption, has a strong bias towards biomedical causes of shoulder pain, and would benefit from implementation of website screening tools to improve evidence-based content.