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Table 3 Gun homicide rates (per 100,000 population) as a function of the prevalence of federal firearms licensees (FFLs) (per 1,000 population) in U.S. counties, by county type and year, 1993–1999

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

  Incident rate ratio (95% CI) Incident rate ratio (95% CI)
  All counties Major cities Other cities Suburbs Small towns
1993–1999 0.98 (0.93, 1.04) 1.70 (1.03, 2.81) 0.73 (0.57, 0.93) 0.87 (0.77, 0.97) 1.00 (0.95, 1.05)
1993 1.09 (1.02, 1.16) 1.69 (0.98, 2.90) 0.86 (0.67, 1.11) 0.99 (0.84, 1.18) 1.11 (1.04, 1.18)
1993 1.03 (0.91, 1.15) 1.65 (0.72, 3.77) 0.62 (0.42, 0.92) 0.78 (0.63, 0.96) 1.07 (0.96, 1.19)
1995 0.84 (0.73, 0.94) 2.16 (0.65, 7.20) 0.30 (0.17, 0.53) 0.65 (0.52, 0.82) 0.87 (0.77, 0.98)
1996 0.95 (0.80, 1.13) 2.58 (0.33, 19.99) 0.64 (0.08, 5.10) 0.71 (0.47, 1.08) 0.99 (0.83, 1.17)
1997 0.96 (0.80, 1.15) 3.12 (0.22, 44.78) 0.28 (0.08,0.96) 0.48 (0.30, 0.76) 1.03 (0.87, 1.13)
1998 0.92 (0.73, 1.15) 11.24 (0.46, 277.38) 0.29 (0.10, 0.87) 0.48 (0.31, 0.72) 0.98 (0.79, 1.22)
1999 0.85 (0.67, 1.07) 12.72 (0.64, 253.19) 0.51 (0.13, 2.00) 0.62 (0.38, 1.01) 0.89 (0.70, 1.12)
  1. Results of generalized linear negative binomial regression models adjusted for covariates.
  2. CI indicates confidence interval.