Research question: Is aggression more frequent among health care workers compared to other workers in public function?

LIST OF SYSTEMATIC REVIEWS
According to the methodology of the PEROSH Clearinghouse of Systematic Reviews

	Reference	Study Grading (according to SIGN: ++/+/-)	PubMed link
1.	Wells J, Bowers L. How prevalent is violence towards nurses working in general hospitals in the UK? J Adv Nurs,2002;39(3):230-240.	+	12121523
2.	Ferns T, DipHe, RGN. Violence in the accident and emergency department – An international perspective. Accident and Emergency Nursing,2005;13:80-5.	+	15927470
3.	Hahn S, Zeller A, Needham I, Kok G, Dassen T, Halfens R. Patient and visitor violence in general hospitals: A systematic review of the literature. Aggression and Violent Behavior,2008;13:431-441.	++	—-

* Study grading (according to the adopted SIGN Checklist for PEROSH Clearinghouse of Systematic Reviews):
++ All or most of the criteria have been fulfilled. Where they have not been fulfilled the conclusions of the study or review are thought very unlikely to alter.
+ Some of the criteria have been fulfilled. Those criteria that have not been fulfilled or not adequately described are thought unlikely to alter the conclusions.
– Few or no criteria fulfilled. The conclusions of the study are thought likely or very likely to alter.
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