• C A Clerici, R Invernizzi, L Veneroni, and A de'Micheli.
• Dipartimento di Scienze e Tecnologie Biomediche, Sezione di Psicologia, Facoltà di Medicina, Università degli Studi di Milano, Italy. carlo.clerici@unimi.it
• G Ital Med Lav Ergon. 2009 Jan 1;31(1 Suppl A):A10-5.

ObjectiveThe main aim of this study is evaluating the suicide/homicide rate of the Italian security guards population compared to other armed and general populations during a recent period.MethodsThe authors reviewed the incidence of suicides and homicides among security guards from 1996 to 2006 and, where information was available, a comparison was made with Italian population adapted by age. Comparisons with the general population were also made.ResultsThe average rate of firearms related suicide among the security guards population during the established period was 11.7 per 100,000 persons-years (95% CI = 6.6-16.7) compared to a guns-related suicide rate of 0.7 per 100,000 person-years, (95% CI = 0.6-0.7) and a non-guns related rate of 5.5 per 100,000 persons-years, (95% CI = 5.2-5.9) for the general population adjusted for age. The overall homicide rate among security guards during the period was 11.4 per 100,000 person-years (95% CI = 6.2-15.4) compared with the homicide rate for the Italian population of 5.4 per 100,000 persons-years, (95% CI = 7.3-15.4).ConclusionThe rate of suicide and homicide among the Italian security guards population was higher than the suicide/homicide rate in the general population. These results show that the phenomenon we have described needs attention and specific prevention activities.

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