Table 1 Incidence Rate Ratios of Mass Shootings in U.S. Counties
From: Income inequality and mass shootings in the United States
MSA: Three or More Injuries | MSA: Four or More Deaths | Mother Jones: Four or More Deaths | USA Today: Four or More Deaths | |
|---|---|---|---|---|
Adj. IRR (95% CI) | Adj. IRR (95% CI) | Adj. IRR (95% CI) | Adj. IRR (95% CI) | |
Income inequality | 1.43 (1.24, 1.66) | 1.57 (1.26, 1.96) | 1.43 (1.12, 1.82) | 1.26 (1.04, 1.52) |
Poverty rate | 1.35 (0.98, 1.87) | 0.97 (0.64, 1.47) | 0.83 (0.47, 1.47) | 1.23 (0.64, 2.34) |
Unemployment rate | 1.20 (1.02, 1.41) | 1.15 (0.92, 1.44) | 1.21 (0.92, 1.60) | 1.05 (0.78, 1.41) |
Population density | 0.27 (0.08, 0.88) | 0.22 (0.08, 0.57) | 0.18 (0.06, 0.55) | 0.39 (0.02, 7.39) |
Young population | 1.07 (0.84, 1.37) | 0.99 (0.70, 1.39) | 1.21 (0.89, 1.66) | 1.09 (0.86, 1.39) |
Minority population | 6.27 (1.79, 21.99) | 14.36 (5.51, 37.39) | 18.01 (7.00, 46.36) | 3.53 (0.68, 18.35) |
HS graduation rate | 0.59 (0.44, 0.78) | 0.59 (0.39, 0.90) | 0.57 (0.33, 0.97) | 0.53 (0.36, 0.78) |
2010–2015 | 2.81 (1.99, 3.98) | 1.58 (0.98, 2.55) | 1.38 (0.79, 2.42) | 1.24 (0.78, 1.95) |
Wald Chi-Square | 92.96 | 56.86 | 50.11 | 24.99 |
AIC | 1363.44 | 737.53 | 545.40 | 817.02 |
BIC | 1430.88 | 804.97 | 612.84 | 884.46 |
County-Decades (N) | 6273 | 6273 | 6273 | 6273 |