TABLE 3

Specific Firearm Legislation in 2015 and Pediatric Firearm-Related Mortality Rates

LawNo. StatesPredicted Mortality Ratea (95% CI)Predicted Mortality Rateb (95% CI)
Universal background checks for firearm purchase
 Not present385.88 (5.25–6.52)Referent
 Present <5 y55.25 (3.53–6.96)0.89 (0.63–1.27)
 Present ≥5 y73.80 (2.67–4.94)0.65 (0.46–0.90)
Universal background checks for ammunition purchase
 Not present475.69 (5.17–6.22)Referent
 Present <5 y12.18 (0.52–3.84)0.38 (0.19–0.82)
 Present ≥5 y23.65 (1.94–5.36)0.64 (0.39–1.03)
Identification requirement for firearms
 Not present485.59 (5.03–6.15)Referent
 Present <5 y0
 Present ≥5 y25.89 (2.86–8.91)1.05 (0.63–1.77)
  • —, not applicable.

  • a Per 100 000 children.

  • b Population-level adjustments by race and ethnicity, education level, household income, and gun ownership.