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  • 4 - Data Linkages and Using Administrative and Secondary Databases

  • Edited by Frederick P. Rivara, Harborview Injury Prevention and Research Center, Seattle, Peter Cummings, Harborview Injury Prevention and Research Center, Seattle, Thomas D. Koepsell, Harborview Injury Prevention and Research Center, Seattle, David C. Grossman, Harborview Injury Prevention and Research Center, Seattle, Ronald V. Maier, Harborview Injury Prevention and Research Center, Seattle
  • Book:
    Injury Control
    Published online:
    16 October 2009
    Print publication:
    27 November 2000, pp 47-63

  • Summary

    Administrative and other databases originally created for purposes other than research are increasingly being considered for use in injury research. This chapter provides an overview of the benefits and limitations of use of these electronic databases, categories of uses, types of databases that have been employed in injury research, and some of the methods used. A use of secondary data is the linkage of two or more different databases resulting in a new, enriched, database. Issues that must be dealt with, in addition to those of privacy/confidentiality of information, may include the lack of a unique identifier across all databases, handling of diverse file formats, and the final ownership of the linked product. The level of time and effort required to conduct data linkages depends on the amount and type of information available to conduct a linkage, but always seems to be underestimated in the planning stages of a project.