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Health Information on the Internet
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despite substantial amount healthrelated information available internet little known accessibility quality reading grade level health informationto evaluate health information breast cancer depression obesity childhood asthma available english spanishlanguage search engines web sitesthree unique studies performed july 2000 december 2000 accessibility 14 search engines assessed using structured search experiment quality 25 health web sites content provided 1 search engine evaluated 34 physicians using structured implicit review interrater reliability 090 reading grade level text selected structured implicit review established using fry readability graph methodfor accessibility study proportion links leading relevant content quality coverage accuracy key clinical elements grade level reading formulasless one quarter search engines first pages links led relevant content 20 english 12 spanish average 45 clinical elements english 22 spanishlanguage web sites minimally covered completely accurate 24 clinical elements english 53 spanishlanguage web sites covered english 86 spanish web sites required high school level greater reading abilityaccessing health information using search engines simple search terms efficient coverage key information english spanishlanguage web sites poor inconsistent although accuracy information provided generally good high reading levels required comprehend webbased health information