United States Department of Health and Human Services. Centers for Disease Control and Prevention. National Center for Injury Prevention and Control. Firearm Injury Surveillance Study, 1993-2011. ICPSR35245-v1. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], 2014-07-09. https://doi.org/10.3886/ICPSR35245.v1
Persistent URL: https://doi.org/10.3886/ICPSR35245.v1
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The sample design of NEISS is a stratified, probability
sample of all United States hospitals that had at least six beds and provided 24-hour emergency services. There were four hospital-sized strata (defined as very large, large, medium, and small, based on the number of annual ED visits) and one children's hospital stratum. From 1993 through 1996, there were 91 NEISS hospital EDs in the sample. In
1997, the sampling frame was updated so that in 1997 through 1999 the sample included 101 NEISS hospital EDs. In 2000-2001, one NEISS hospital dropped out of the system, so there were 100 NEISS hospital EDs in the sample. In 2002, another hospital dropped out of the system, so there were 99 NEISS hospital EDs in the sampling frame. In 1997, CPSC collected firearm-related cases using the "old" and "new"
NEISS hospital samples for a nine-month period. This dataset includes data from the "new" sample. The overlapping "old" sample is not included. Comparisons of weighted estimates based on the "old" and "new" samples indicated a difference of about 1 percent in the overall
national estimate using these samples. The characteristics of firearm-related cases from these two overlapping samples were also very similar.
Mode of Data Collection:
computer-assisted self interview (CASI),
Extent of Processing: ICPSR data undergo a confidentiality review and are altered when necessary to limit the risk of
disclosure. ICPSR also routinely creates ready-to-go data files along with setups in the major
statistical software formats as well as standard codebooks to accompany the data. In addition to
these procedures, ICPSR performed the following processing steps for this data collection:
Created variable labels and/or value labels.
Checked for undocumented or out-of-range codes.