Skip to main content
An official website of the United States government
Government Funding Lapse
Because of a lapse in government funding, the information on this website may not be up to date, transactions submitted via the website may not be processed, and the agency may not be able to respond to inquiries until appropriations are enacted.

The NIH Clinical Center (the research hospital of NIH) is open. For more details about its operating status, please visit cc.nih.gov.

Updates regarding government operating status and resumption of normal operations can be found at opm.gov.

Email

Interactive Risk Attributable Program (IRAP)

IRAP is an interactive computer program which calculates both point estimates and confidence intervals for attributable risk, based on regression models. Modeling consists of three conceptual phases: creating a library of variables, defining the model, and running the model.

Software Download:

  • Download the self extracting zip file for IRAP
  • Save this file in an appropriate folder on your disk.
  • Click on it, and the IRAP files will be extracted to a designated location on your harddrive.

Contact:

Email