Table 2.
Variables associated with rates of violent firearm death in the federation units of Brazil (coefficients of the multiple linear regression final model)
Model | Unstandardized coefficients | Standardized coefficients | t | Sig. | 95% confidence interval for B | Collinearity statistics | R square (adjusted) | Durbin-Watson | ANOVA | Kolmogorov-Smirnov Z (p value) | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
B | Std error | Beta | Lower bound | Upper bound | Tolerance | VIF | |||||||
Dependent variable: all firearm injuries in the vulnerable subgroup (women, children, elderly) (2005-2016) | |||||||||||||
(Constant) | 4.967 | 0.253 | 19.654 | < 0.001 | 4.465 | 5.469 | |||||||
Composite indexa | −16.877 | 5.607 | −0.297 | −3.010 | < 0.001 | −28.005 | −5.750 | 0.946 | 1.057 | ||||
SDI high | −0.73802 | 0.326 | −0.223 | −2.266 | 0.030 | −1.385 | −0.092 | 0.946 | 1.057 | 0.107 (0.089) | 1.689 | 0.004 | 0.855 (0.458) |
Dependent variable: unintentional firearm injuries (2013-2016) | |||||||||||||
(Constant) | 1.048 | 0.240 | 4.374 | < 0.001 | 0.572 | 1.523 | |||||||
Voluntary return of firearms | −0.011 | 0.004 | −0.268 | −2.719 | 0.008 | −0.019 | −0.003 | 0.891 | 1.122 | ||||
SDI | −0.895 | 0.393 | −0.224 | −2.276 | 0.025 | −1.675 | −0.115 | 0.891 | 1.122 | 0.161 (0.144) | 2.181 | 0.000 | 1.262 (0.083) |
Dependent variable: all firearms injuries (2013-2016) | |||||||||||||
(Constant) | 52.057 | 9.805 | 5.309 | < 0.001 | 32.599 | 71.515 | |||||||
SDI | −42.267 | 15.631 | −0.264 | −2.704 | 0.008 | −73.286 | −11.248 | 1.000 | 1.000 | 0.069 (0.060) | 2.238 | 0.008 | 0.812 (0.524) |
Dependent variable: physical violence by firearm (2013-2016) | |||||||||||||
(Constant) | 51.290 | 9.931 | 5.164 | < 0.001 | 31.581 | 70.998 | |||||||
SDI | −42.928 | 15.832 | −0.264 | −2.711 | 0.008 | −74.347 | −11.510 | 1.000 | 1.000 | 0.070 (0.060) | 2.236 | 0.008 | 0.932 (0.350) |
a[= 1/(voluntary return of firearms+illegal carrying of firearms)]