Table S5.

Effect of handgun waiting periods relative to adoption year, 1977–2013

HomicidesSuicides
AllGunNon-gunAllGunNon-gun
Time relative to waiting period(1)(2)(3)(4)(5)(6)
2 y before−0.024 (0.047)−0.038 (0.056)0.004 (0.060)0.015 (0.021)0.001 (0.024)0.045 (0.031)
1 y before−0.053 (0.051)−0.076 (0.060)−0.014 (0.052)0.025 (0.017)0.003 (0.018)0.046 (0.029)
Adoption year−0.087 (0.054)−0.106 (0.077)−0.063 (0.051)0.008 (0.021)−0.014 (0.026)0.006 (0.034)
1 y after−0.147 (0.060)**−0.178 (0.080)**−0.11 (0.065)*−0.032 (0.022)−0.082 (0.026)***−0.016 (0.032)
2 y after−0.147 (0.058)**−0.176 (0.082)**−0.086 (0.043)*−0.004 (0.016)−0.061 (0.023)***0.039 (0.030)
3 y after−0.145 (0.060)**−0.198 (0.083)**−0.048 (0.053)−0.007 (0.017)−0.063 (0.022)***0.04 (0.034)
4+ y after−0.129 (0.053)**−0.188 (0.072)**−0.021 (0.041)−0.022 (0.012)*−0.071 (0.016)***−0.006 (0.037)
  • Models mirror column 3 of Table 1, but include an indicator variable for years before and after implementation of the waiting period *P < 0.10; **P < 0.05; ***P < 0.01.