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Table 1 Characteristics of U.S. counties, 1993–1999

From: Homicide and geographic access to gun dealers in the United States

  Mean Standard deviation Minimum Maximum
Homicide rate (per 100,000) 4.63 7.87 0.00 187.27
   Gun 3.25 6.53 0.00 187.27
   Non-gun 1.38 3.54 0.00 97.75
Federal firearms licensees (FFL) (per 1,000) 1.15 1.10 0.001 30.93
% of population age 15–29 years 0.31 0.36 0.09 0.81
% male 49.32 1.95 43.86 82.20
% African American 9.20 15.00 0.00 86.76
% Native American 1.18 7.42 0.00 97.69
% Hispanic 5.21 11.81 0.00 99.41
% married 44.96 5.04 18.50 58.60
% living alone 24.67 3.83 7.91 77.51
% of female headed households 10.17 3.98 0.78 36.07
% of persons below poverty level 15.22 6.58 0.00 55.27
% of adult population college educated 24.23 7.06 8.41 64.36
% of arrests that were drug related 7.29 4.96 0.00 100.00
Average per capita income (%) 19347 4985 1185 75702
Unemployment rate 5.87 3.04 0.00 37.90
Hospital beds per 1,000 population 2.85 3.98 0.00 7.41
Urbanization (11-code mRUC) 8.00 2.74 1 11
Urbanization (collapsed mRUC) 3.67 0.61 1 4
Leniency of state gun laws 75.71 17.21 3 100
  1. mRUC denotes modified rural-urban continuum codes. 11 codes were collapsed into 4 groups for analysis.
  2. Data exclude Alaska due to lack of FFL information.