Previous surveys showed a poor quality of the web sites providing health information about low back pain. However, the rapid and continuous evolution of the Internet content may question the current validity of those investigations. The present study is aimed to quantitatively assess the quality of the Internet information about low back pain retrieved with the most commonly employed search engines. An Internet search with the keywords "low back pain" has been performed with Google, Yahoo!® and Bing™ in the English language. The top 30 hits obtained with each search engine were evaluated by five independent raters and averaged following criteria derived from previous works. All search results were categorized as declaring compliant to a quality standard for health information (e.g. HONCode) or not and based on the web site type (Institutional, Free informative, Commercial, News, Social Network, Unknown). The quality of the hits retrieved by the three search engines was extremely similar. The web sites had a clear purpose, were easy to navigate, and mostly lacked in validity and quality of the provided links. The conformity to a quality standard was correlated with a marked greater quality of the web sites in all respects. Institutional web sites had the best validity and ease of use. Free informative web sites had good quality but a markedly lower validity compared to Institutional websites. Commercial web sites provided more biased information. News web sites were well designed and easy to use, but lacked in validity. The average quality of the hits retrieved by the most commonly employed search engines could be defined as satisfactory and favorably comparable with previous investigations. Awareness of the user about checking the quality of the information remains of concern.

译文

:以前的调查显示,提供有关下腰痛的健康信息的网站质量很差。但是,Internet内容的快速和持续发展可能会质疑这些调查的当前有效性。本研究旨在定量评估使用最常用的搜索引擎检索到的有关腰痛的Internet信息的质量。 Google,Yahoo!®和Bing™已使用英语进行了关键字为“腰痛”的Internet搜索。每个搜索引擎获得的前30个匹配均由5个独立的评分者进行了评估,并根据从先前工作得出的标准进行了平均。根据网站类型(机构,免费,商业,新闻,社交网络,未知),所有搜索结果均归类为声明是否符合卫生信息质量标准(例如HONCode)。三个搜索引擎检索到的匹配的质量非常相似。该网站的目的明确,易于浏览,并且大多缺乏所提供链接的有效性和质量。在各个方面,对质量标准的符合与网站质量的显着提高相关。机构网站具有最佳的有效性和易用性。与机构网站相比,免费的信息网站质量好,但有效性明显较低。商业网站提供了更多有偏见的信息。新闻网站的设计良好且易于使用,但缺乏有效性。由最常用的搜索引擎检索到的匹配的平均质量可以定义为令人满意,并且可以与以前的调查相媲美。用户关于检查信息质量的意识仍然值得关注。

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