Data Management at Haydom Lutheran Hospital
The research assistants are continuously supervised by the local research manager (Dr Mduma) who reviews the data collection forms on a daily basis for quality control issues including missing information or potential errors The data are double entered in EpiData 3.1(EpiDataAssociation,Odense,Denmark) by 2 different people. Random crosschecks of the entered data are undertaken intermittently, with double data extraction and data entry of all cases. If there is any discrepancy between the 2 entered databases, the data entering individuals rechecktheoriginaldata (the source document) together and correct where necessary. For this report, the data collection is from November 2009 through October 2010.