Data management for clinical trial

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Data management for clinical trial

Steve Bennett, Mark Myatt. Damien Jolley. & Andrzej RadalowiczData Management for Surveys and TrialsA Practical Primer using EpiDataSteve Bennett. Mar

Data management for clinical trial rk Myatt. Damien Jolley, and Andrzej RadalowiczThe EpiData Documentation Project2Fust Published in 2001 by The Epi Data AssociationThis edition publis

hed 2001Copyright & 2001 Steve Bennett. Mark Myatt. Damien Jolley, and Andrzej RadalowiczPermission IS granted to copy, distribute, and / or modify ti Data management for clinical trial

ns document under the terms of the GNU Free Documentation License. Version 1.1 or any later version published by the Free Software Foundation with no

Data management for clinical trial

invariant sections, no front-cover texts, and with no back-cover texts Details of the GNU Free Documentation License may be found at:http://www.gnu.or

Steve Bennett, Mark Myatt. Damien Jolley. & Andrzej RadalowiczData Management for Surveys and TrialsA Practical Primer using EpiDataSteve Bennett. Mar

Data management for clinical trial interviewing and tests of significance. Yet a survey, like the proverbial chain, is probably as good as its weakest link. And if enough care, thought

and time are not devoted to these aspects of the study the validity and usefulness of the whole operation are jeopardised. We have no magical alterna Data management for clinical trial

tives to the painstaking and methodical attention to detail which are needed for this pan of the study. To do it well you need to be obsessionalAnne C

Data management for clinical trial

artwright & Clive Seale. The Natural History of a Survey, 1990The authors would like to thank Neal Alexander. Linda Williams, and the late Nicola Doll

Steve Bennett, Mark Myatt. Damien Jolley. & Andrzej RadalowiczData Management for Surveys and TrialsA Practical Primer using EpiDataSteve Bennett. Mar

Data management for clinical trial London School of Hygiene and Tropical Medicine for their comments on earlier versions, and Jimmy Whitworth for allowing US to use the onchocerciasis d

ata.Steve Bennet and Andrzej Radalowicz are supported by the Medical Research Council.This book is dedicated to the memory of Nicola Dollirnore.4Conte Data management for clinical trial

ntsOverview6DatabasesObjectivessHie progress of a questionnaire10Overview of EpiData11Database definition12Datasets, cases, files13Defining database f

Data management for clinical trial

ile structure14Variable names15Variable types16Defining variable type and length1 8Null (missing and not-appropnate) values20Identifying (ID) numbers2

Steve Bennett, Mark Myatt. Damien Jolley. & Andrzej RadalowiczData Management for Surveys and TrialsA Practical Primer using EpiDataSteve Bennett. Mar