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Hi! I suggest you take a look at: www.childrensmercy.org/stats/journal/oddsratio.asp There you find a good explanation and also some excellent examples on OR vs RR. Best, Bengt >----Ursprungligt meddelande---- >Från: [log in to unmask] >Datum: 2012-02-05 11:51 >Till: <[log in to unmask]> >Ärende: Odds ratios explained > >Can anyone suggest an easy guide to odds ratios and other basic stats >functions? > >A clinical friend has asked for some help with a dissertation and >understanding source papers, this is not her area of expertise and she >has been frightened off by the scholarly texts she has been directed >too - I suspect her supervisors are not in their area of comfort with >this either. > >I have moved professionally away from supporting EBH and so am not up >to date with user friendly articles. Dare I admit that I looked at >the wikipedia which seemed comprehensive but impenetrable to the novice. > >suggestions very welcome > >Jane Hartley >