Epi Info 7 Sample Size Calculator. It provides for easy data entry form and database construction a customized data entry experience and data analyses with epidemiologic statistics maps and graphs for public health professionals who may lack an information technology background. Dec 13 2019 The following example demonstrates how to calculate a sample size for a cohort or cross-sectional study.
Include a 95 confidence interval for the RR. In plain English interpret your results. The latest version of Epi Info is Epi Info 7.
Many other factors eg cost number of available subjects rate of nonresponse and the accuracy of answers and data transcription must be considered in study design.
Dec 12 2019 Epi Info is a free set of software tools for public health practitioners and researchers across the globe. Dec 13 2019 The following example demonstrates how to calculate a sample size for a cohort or cross-sectional study. The summary data do not need to be contained in an Epi Info 7 project or entered in any other tool. And then recalculates the total sample size and number of clusters.
