Gun Ownership and Firearm-related Deaths - 21/09/13
, Franz H. Messerli, MD bAbstract |
Background |
A variety of claims about possible associations between gun ownership rates, mental illness burden, and the risk of firearm-related deaths have been put forward. However, systematic data on this issue among various countries remain scant. Our objective was to assess whether the popular notion “guns make a nation safer” has any merits.
Methods |
Data on gun ownership were obtained from the Small Arms Survey, and for firearm-related deaths from a European detailed mortality database (World Health Organization), the National Center for Health Statistics, and others. Crime rate was used as an indicator of safety of the nation and was obtained from the United Nations Surveys of Crime Trends. Age-standardized disability-adjusted life-year rates due to major depressive disorder per 100,000 inhabitants with data obtained from the World Health Organization database were used as a putative indicator for mental illness burden in a given country.
Results |
Among the 27 developed countries, there was a significant positive correlation between guns per capita per country and the rate of firearm-related deaths (r = 0.80; P <.0001). In addition, there was a positive correlation (r = 0.52; P = .005) between mental illness burden in a country and firearm-related deaths. However, there was no significant correlation (P = .10) between guns per capita per country and crime rate (r = .33), or between mental illness and crime rate (r = 0.32; P = .11). In a linear regression model with firearm-related deaths as the dependent variable with gun ownership and mental illness as independent covariates, gun ownership was a significant predictor (P <.0001) of firearm-related deaths, whereas mental illness was of borderline significance (P = .05) only.
Conclusion |
The number of guns per capita per country was a strong and independent predictor of firearm-related death in a given country, whereas the predictive power of the mental illness burden was of borderline significance in a multivariable model. Regardless of exact cause and effect, however, the current study debunks the widely quoted hypothesis that guns make a nation safer.
El texto completo de este artículo está disponible en PDF.Keywords : Firearm deaths, Gun ownership, Mental illness
Esquema
| Funding: None. |
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| Conflict of Interest: None. |
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| Authorship: SB had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis. Study concept and design: SB and FHM; acquisition of data: SB; analysis and interpretation of data: SB and FHM; drafting of the manuscript: SB; critical revision of the manuscript for important intellectual content: SB and FHM; statistical analysis: SB; study supervision: SB and FHM. |
Vol 126 - N° 10
P. 873-876 - octobre 2013 Regresar al númeroBienvenido a EM-consulte, la referencia de los profesionales de la salud.
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