Samy A. Azer|Thekra I AlOlayan|Malak Alghamdi|Malak A AlSanea
Inflammatory bowel disease: An evaluation of health information on the internet
King Saud University|King Saud University|King Saud University|King Saud University
evaluate quality accuracy websites written public inflammatory bowel disease ibd crohns disease ulcerative colitis assess readability levelgoogle bing yahoo search engines searched independently three researchers december 2014 englishlanguage websites selected basis predetermined inclusion exclusion criteria researchers independently evaluated quality website using discern honcode instruments readability levels calculated using two formulas fleschkincaid grade level index colemanliau readability index agreement evaluators calculated using cohen kappa coefficienteightyfour websites finally identified scores varied minimum discern score 18 maximum 68 mean sd 422 107 median 415 interquartile range interquartile range iqr 158 minimum score honcode 014 maximum 095 mean sd 016 019 median 045 iqr 029 websites reviewed 2014 2015 n 51 creators websites universities research centers n 25 30 foundations associations n 15 18 commercial pharmaceutical companies n 25 30 charities volunteer work n 9 10 nonuniversity educational bodies n 10 12 fleschkincaid grade level readability score mean sd 119 24 colemanliau readability index score 126 15 significant correlation found two readability scores r2 0509 p 0001 overall agreement evaluators measured cohen kappa coefficient range 08040876 rated goodthe discern honcode scores websites varied readability levels websites public readability level study highlights areas need improvement development patient education online materials ibd