Table 1.

Effects of CAP, RTC, and SYG laws on change in state firearm death rates in the sixth year after implementation

Outcome/law	Posterior median IRR	IRR, 80% CI lower bound	IRR, 80% CI upper bound	Posterior probability of reduced deaths
Firearm deaths
CAP	0.94	0.89	0.98	0.97
RTC	1.03	1.00	1.07	0.13
SYG	1.03	0.98	1.07	0.23
Restrictive	0.89	0.82	0.95	0.98
Firearm suicides
CAP	0.95	0.91	1.00	0.90
RTC	1.03	1.00	1.07	0.10
SYG	1.01	0.97	1.06	0.33
Restrictive	0.91	0.84	0.98	0.95
Firearm homicides
CAP	0.93	0.86	1.00	0.91
RTC	1.03	0.98	1.09	0.23
SYG	1.05	0.98	1.13	0.18
Restrictive	0.85	0.76	0.96	0.95

The restrictive law refers to the effect of a restrictive combination of all three laws, relative to a permissive combination.