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Additional recommended knowledge
The OpenEpi developers have had extensive experience in the development and testing of Epi Info (www.cdc.gov/epiinfo), a program developed by the Centers for Disease Control and Prevention (CDC) and widely used around the world for data entry and analysis. OpenEpi was developed to perform analyses found in the DOS version of Epi Info modules StatCalc and EpiTable, to improve upon the types of analyses provided by these modules, and to provide a number of tools and calculations not currently available in Epi Info. It is the first step toward an entirely web-based set of epidemiologic software tools. OpenEpi can be thought of as an important companion to Epi Info and to other programs such as SAS, SPSS, and EpiData. Both OpenEpi and Epi Info were developed with the goal of providing tools for low and moderate resource areas of the world. The initial development of OpenEpi was supported by a grant from the Bill and Melinda Gates Foundation to Emory University.
The types of calculations currently performed by OpenEpi include:
For epidemiologists and other health researchers, OpenEpi performs a number of calculations based on tables not found in most epidemiologic and statistical packages. For example, for a single 2x2 table, in addition to the results presented in other programs, OpenEpi provides estimates for:
For stratified 2x2 tables with count data, OpenEpi provides:
Similar to Epi Info, in a stratified analysis, both crude and adjusted estimates are provided so that the assessment of confounding can be made. With rate data, OpenEpi provides adjusted rate ratio’s and rate differences, and tests for interaction. Finally, with count data, OpenEpi also performs a test for trend, for both crude data and stratified data.
In addition to being used to analyze data by health researchers, OpenEpi has been used as a training tool for teaching epidemiology to students at Emory University, the University of Michigan, Columbia University, the University of Medicine and Dentistry of New Jersey, and elsewhere. This includes campus-based and distance learning courses. Because OpenEpi is easy to use, requires no programming experience, and can be run on the internet, students can use the program and focus on the interpretation of results.
Version 2.2 of OpenEpi was released Nov 11 2007 with the improvement of being able to run in English, French, Spanish, or Italian.
Comments and suggestions for improvements are welcomed and the developers respond to user queries. The developers encourage others to develop modules that could be added to OpenEpi and provide a developer’s tool at the website. Planned future development include improvements to existing modules, development of new modules, and add the ability to cut and paste data and/or read data files.
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "OpenEpi". A list of authors is available in Wikipedia.|