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First published June 4, 2003 as JAMIA PrePrint; doi:10.1197/jamia.M1357
Journal of the American Medical Informatics Association 2003;10(5):409-418
© 2003 American Medical Informatics Association

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Submitted on March 6, 2003
Accepted on May 13, 2003

Design of a National Retail Data Monitor for Public Health Surveillance

Michael M. Wagner MD, PhD1*, J. Michael Robinson2, Fu-Chiang Tsui PhD1, Jeremy U. Espino MD1, and William R. Hogan MD1

Affiliation of the authors: 1 The RODS Laboratory, Center for Biomedical Informatics, University of Pittsburgh, Pittsburgh, PA; 2 Global Strategic Solutions, Cincinnati, OH

* To whom correspondence should be addressed.

The National Retail Data Monitor receives data daily from 10,000 stores that sell healthcare products, including pharmacies. These stores belong to national chains that process sales data centrally, and utilize Universal Product Codes and scanners to collect sales information at the cash register. The high degree of retail sales data automation enabled the monitor to collect information from thousands of store locations in near to real time for use in public health surveillance. The monitor provides user interfaces that display summary sales data on timelines and maps. Algorithms monitor the data automatically on a daily basis to detect unusual patterns of sales. The project provides the resulting data and analyses, free of charge, to health departments nationwide. Future plans include continued enrollment and support of health departments, developing methods to make the service financially self-supporting, and further refinement of the data collection system to reduce the time latency of data receipt and analysis.




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