Table 3. Sensitivity Analysis With 2-Year Washouta.
| Model | IRR (95% CI) | |
|---|---|---|
| Firearm-related homicide | Non–firearm-related homicide | |
| Crude | 1.07 (0.81-1.41) | 1.06 (0.89-1.27) |
| Adjustedb | 1.11 (0.83-1.47) | 1.08 (0.95-1.22) |
Abbreviation: IRR, incidence rate ratio.
a
Includes year of implementation and 1 year after.
b
Adjusted for proportion of the population that is male, Black, Hispanic, lives in rural areas, and is unemployed; the poverty rate; the ratio of adult firearm suicide to suicide; per capita alcohol consumption among persons 14 years and older; law establishing minimum age of 18 years to purchase a long gun; law requiring universal background check to purchase a handgun; and law requiring a universal background check to obtain a permit to purchase a handgun.