Rheumatology Advance Access published online on November 30, 2004
Rheumatology, doi:10.1093/rheumatology/keh498
Rheumatology © British Society for Rheumatology 2004; all rights reserved
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1 Monash Institute of Health Services Research, Monash University, Clayton, Victoria 3168, Australia
* To whom correspondence should be addressed. Objectives. This study aims to determine the quality and validity of information available on the Internet about osteoarthritis and to investigate the best way of sourcing this information. Methods. Keywords relevant to osteoarthritis were searched across 15 search engines representing medical, general and meta-search engines. Search engine efficiency was defined as the percentage of unique and relevant websites from all websites returned by each search engine. The quality of relevant information was appraised using the DISCERN tool and the concordance of the information offered by the website with the available evidence about osteoarthritis determined. Results. A total of 3443 websites were retrieved, of which 344 were identified as unique and providing information relevant to osteoarthritis. The overall quality of website information was poor. There was no significant difference between types of search engine in sourcing relevant information; however, the information retrieved from medical search engines was of a higher quality. Fewer than a third of the websites identified as offering relevant information cited evidence to support their recommendations. Conclusions. Although the overall quality of website information about osteoarthritis was poor, medical search engines may provide consumers with the opportunity to source high-quality health information on the Internet. In the era of evidence-based medicine, one of the main obstacles to the Internet reaching its potential as a medical resource is the failure of websites to incorporate and attribute evidence-based information.
Accepted October 29, 2004
Original Papers
Accessibility, nature and quality of health information on the Internet: a survey on osteoarthritis
D. Ilic, E-mail: dragan.ilic{at}med.monash.edu.au
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