data clerk Quality assured datasetġ9 Data Documentation Sheet Field names Field label Field type Field values Value labelsĢ0 Field Types String field Any text (upper/lower cases, numbers) Upper case only string Numeric field Integer Float (Decimal numbers) Date field and time field Boolean field (yes/no)Ģ1 Example: Simple Questionnaire Four questions Unique identifier Participant s sex How old are you? Is this participant a TB case?Ģ2 Example: Data Documentation Sheet Field Name Field Label Field Type Field Length Field Value Value Labels id Unique identifier T 2 1, 80 NA sex Participant s sex I 1 age Participant s age I 2 case Is this participant a TB case? I. Project manager Supervisor Principal Investigator Double data Entry Validating duplicate files Feedback and correcting discrepancy Software: EpiData Entry Client Personnel: e.g.
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R, Stata, SAS, SPSS): for analysis, not suited for quality-assured data capture Properties of the right software o o o o o o Non-proprietary: free and legal to distribute Small download size Small file size ( transmission of files!) Stable, Simple, user-friendly, quick to learn Abundant data entry control options Simple validation procedure by record (not variables)ħ The right software for data analysis Stratified analysis with Mantel-Haenszel procedure for adjustment KM adverse-free outcome probability by intitial fluoroquinolone MIC Kaplan-Meier survival estimation Survival Time 1,000 EpiData Analysis GraphĨ Thank you! The next presenter is Zaw Myo Tunĩ Practical Introduction to Data Form Design and Data Capture with EpiData Manager and EpiData Entry Client Zaw Myo Tun, Singaporeġ0 Outline Overview of EpiData Softwares EpiData Manager and EpiData Entry Client Double data entry and validation using the above softwaresġ1 Overview of EpiData softwares EpiData Entry (v 3.1) EpiData Analysis (v 2.2) Freely downloadable from:ġ2 Overview of EpiData softwares EpiData Manager (v ) EpiData Entry Client (v ) EpiData Analysis (v ) Freely downloadable from:ġ3 Why EpiData Manager? Users increasingly graphically oriented A need for multi-platform development (Windows, Mac) Use of Unicode UTF-8 Non-latin characters Encryption and logging (GCP for medical data management) Control of user access to data Common Engine for EpiData software for data and metadata handling same routine for different platform Should not be easy to change rule or structure during data entry EpiData Entr圜lientġ4 EpiData Entry qes rec chk EpiData Manager EpiData Entry Client epxġ5 Ideal workflow for acquiring quality assured data Create data entry form: Create fields Define fields and set entry rules Software: EpiData Manager Personnel: e.g.
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More than one million users are now using this software.1 Efficient, Quality-assured Data capture and analysis using EpiData Zaw Myo Tun Ajay M V Kumar Special Acknowledgements Dr Jens M Lauritsen ( Hans L Rieder (Ģ Presentation components Part Presenter Presentation 1 Ajay Kumar Introduction to data capture and analysis 2 Zaw Myo Tun Practical introduction to data form design and data capture with EpiData Manager and EpiData Entry Client 3 Ajay Kumar Practical introduction to data analysis with EpiData Analysis 4 Ajay Kumar Summary and conclusionsģ Introduction to data capture and analysis Ajay Kumar International Union Against Tuberculosis and Lung DiseaseĤ Basic tenets for data entry and analysis o o o o The right software for data capture Efficiency of data capture Validation of captured data Writing a program for analysisĦ Not appropriate The right software for data capture o o Spreadsheets: they are for calculations, not for data capture Analysis software (e.g. Epi Info™ has been translated in more than 13 languages.
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Since its initial release, Epi Info™ users have self-registered in over 181 countries covering all continents including Antarctica. Epi Info™ is flexible, scalable, and free while enabling data collection, advanced statistical analyses, and geographic information system (GIS) mapping capability.
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Epi Info™, a suite of lightweight software tools, delivers core ad-hoc epidemiologic functionality without the complexity or expense of large, enterprise applications.Įpi Info™ is easily used in places with limited network connectivity or limited resources for commercial software and professional IT support. Physicians, nurses, epidemiologists, and other public health workers lacking a background in information technology often have a need for simple tools that allow the rapid creation of data collection instruments and data analysis, visualization, and reporting using epidemiologic methods. Epi Info is public domain statistical software for epidemiology.