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
|
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) |
Results of generalized linear negative binomial regression models adjusted for covariates.
CI indicates confidence interval.