APracticalGuidetoClusterRandomisedTrialsinHealthServicesResearchStatisticsinPracticeSeriesAdvisorsHumanandBiologicalSciencesStephenSennCRP-Santé,LuxembourgEarthandEnvironmentalSciencesMarianScottUniversityofGlasgow,UKIndustry,CommerceandFinanceWolfgangJankUniversityofMaryland,USAStatisticsinPracticeisanimportantinternationalseriesoftextswhichprovidedetailedcoverageofstatisticalconcepts,methodsandworkedcasestudiesinspe-cificfieldsofinvestigationandstudy.Withsoundmotivationandmanyworkedpracticalexamples,thebooksshowindown-to-earthtermshowtoselectanduseanappropriaterangeofstatisticaltechniquesinaparticularpracticalfieldwithineachtitle’sspecialtopicarea.Thebooksprovidestatisticalsupportforprofessionalsandresearchworkersacrossarangeofemploymentfieldsandresearchenvironments.Subjectareascoveredincludemedicineandpharmaceutics;industry,financeandcommerce;publicservices;theearthandenvironmentalsciences,andsoon.Thebooksalsoprovidesupporttostudentsstudyingstatisticalcoursesappliedtotheaboveareas.Thedemandforgraduatestobeequippedfortheworkenviron-menthasledtosuchcoursesbecomingincreasinglyprevalentatuniversitiesandcolleges.Itisouraimtopresentjudiciouslychosenandwell-writtenworkbookstomeeteverydaypracticalneeds.Feedbackofviewsfromreaderswillbemostvaluabletomonitorthesuccessofthisaim.Acompletelistoftitlesinthisseriescanbefoundatwww.wiley.com/go/statisticsinpracticeAPracticalGuidetoClusterRandomisedTrialsinHealthServicesResearchSandraEldridge•SallyKerryCentreforPrimaryCareandPublicHealth,Barts,andTheLondonSchoolofMedicineandDentistry,QueenMaryUniversityofLondon,UKAJohnWiley&Sons,Ltd.,PublicationThiseditionfirstpublished2012©2012JohnWiley&Sons,LtdRegisteredofficeJohnWiley&SonsLtd,TheAtrium,SouthernGate,Chichester,WestSussex,PO198SQ,UnitedKingdomFordetailsofourglobaleditorialoffices,forcustomerservicesandforinformationabouthowtoapplyforpermissiontoreusethecopyrightmaterialinthisbookpleaseseeourwebsiteatwww.wiley.com.Therightoftheauthortobeidentifiedastheauthorofthisworkhasbeen...
