From: Explaining geographic patterns of suicide in the US: the role of firearms and antidepressants
All suicide | Firearm suicide | Nonfirearm suicide | |||||||
---|---|---|---|---|---|---|---|---|---|
IRR* | 95% CI | P-value | IRR* | 95% CI | P-value | IRR* | 95% CI | P-value | |
Crude analyses | |||||||||
NonTCA^:TCA ratio | 0.85 | (0.76, 0.95) | 0.0040 | 0.69 | (0.57, 0.84) | 0.0002 | 1.07 | (0.96, 1.18) | 0.2270 |
Multivariate analyses | |||||||||
Household firearm ownership | 1.29 | (1.18, 1.40) | <.0001 | 1.67 | (1.49, 1.88) | <.0001 | 1.04 | (0.94, 1.16) | 0.4441 |
NonTCA^:TCA ratio | 1.02 | (0.91, 1.14) | 0.7462 | 1.05 | (0.90, 1.22) | 0.5392 | 1.02 | (0.89, 1.17) | 0.8198 |
% Population living in urban area | 1.09 | (1.01, 1.19) | 0.0293 | 1.14 | (1.02, 1.27) | 0.0211 | 1.08 | (0.98, 1.20) | 0.1407 |
Median income | 0.99 | (0.95, 1.02) | 0.4770 | 0.97 | (0.93, 1.02) | 0.2758 | 1.01 | (0.96, 1.07) | 0.6421 |
Unemployment rate | 1.01 | (0.98, 1.03) | 0.6227 | 0.99 | (0.96, 1.03) | 0.6932 | 1.01 | (0.98, 1.05) | 0.5231 |