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BACKGROUND Syndromic surveillance uses health-related data that precede diagnosis and signal a sufficient probability of a case or an outbreak to warrant further public health response. OBJECTIVE While most syndromic surveillance systems rely on data from clinical encounters with health professionals, I started to explore in 2004 whether analysis of(More)
While health information is often said to be the most sought after information on the web, empirical data on the actual frequency of health-related searches on the web are missing. In the present study we aimed to determine the prevalence of health-related searches on the web by analyzing search terms entered by people into popular search engines. We also(More)
This theoretical paper discusses the model that, as a result of the social process of disintermediation enabled by digital media, traditional intermediaries are replaced by what this author calls apomediaries, which are tools and peers standing by to guide consumers to trustworthy information, or adding credibility to information. For apomediation to be an(More)
We describe HIDDEL (Health Information Disclosure, Description and Evaluation Language), formerly known as medPICS (platform for Internet content selection in medicine), a metadata vocabulary designed to enhance transparency, trust and quality of health information on the web. The vocabulary may be used (1) by webmasters to self-describe their contents and(More)
BACKGROUND eHealth-literate consumers, consumers able to navigate and filter credible information on the Internet, are an important cornerstone of sustainable health systems in the 21(st) century. Various checklists and tools for consumers to assess the quality of health information on the Internet have been proposed, but most fail to take into account the(More)
MedCERTAIN (MedPICS Certification and Rating of Trustworthy Health Information on the Net, http://www.medcertain.org/) is a recently launched international project funded under the European Union's (EU) "Action Plan for safer use of the Internet. It provides a technical infrastructure and a conceptual basis for an international system of "quality seals",(More)
PURPOSE The purpose of this qualitative study was to improve understanding of family caregivers' use of Web-based intervention support by integrating three theoretical models. The study applied the Anderson's model of health service utilization, Venkatesh's theory of technology acceptance, and Chatman's and Wilson's information behavior theories. METHODS(More)