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Injury Data and Resources

Instructions: Step-by-Step Guide to Accessing NHAMCS-ED Public Use Data Files and Programs to Select Injury Records and Calculate Injury Visit Rates

The instructions are designed to help you access the National Hospital Ambulatory Medical Care Survey Emergency Department (NHAMCS-ED) data and documentation, to identify injury records, and to calculate injury visit rates. The instructions describe how to obtain and use NHAMCS-ED data for all years beginning with 1995. Specific examples are shown for data year 2004.

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  1. Steps to download complete NHAMCS-ED data
  2. Steps to download complete NHAMCS-ED documentation for data
  3. Steps to download SAS programs to read in complete NHAMCS-ED data
  4. Steps to download STATA programs to read in complete NHAMCS-ED data
  5. Steps to download population data for calculating rates
  6. Access SAS statements for identifying injury record and SAS statements for external cause of injury matrix
  7. Access STATA programs for identifying injury record
  8. Access SAS and SUDAAN programs and documentation for variance estimation of complete NHAMCS-ED data
  9. Access Example SAS program for creating weighted frequencies
  10. Examples of runs and output for rate calculation




Injury Data
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  • Office of Analysis and Epidemiology
    National Center for Health Statistics
    3311 Toledo Rd
    Hyattsville, MD 20782-2064
  • 1 (800) 232-4636
  • The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Road Atlanta, GA 30329-4027, USA
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