1 Title: A systematic review and meta‐analysis of factors that relate to aggression perpetrated against nurses by patients/relatives or staff. Authors Karen‐leigh EDWARD PhD Associate Professor of Nursing Research, ACU Director/Chair, St Vincent’s Private Hospital (Melbourne), Nursing Research Unit Visiting Professor, University of Huddersfield UK Mailing address ‐Faculty of Health Sciences Australian Catholic University Locked Bag 4115 FITZROY MDC 3065 E: karen‐leigh.edward@acu.edu.au T: +61 (03) 9411 7338 John Stephenson PhD Senior Lecturer in Health and Biomedical Statistics School of Human and Health Sciences University of Huddersfield Queensgate, Huddersfield HD1 3DH, United Kingdom T: +44(0)1484 471513 E: J.Stephenson@hud.ac.uk Steve Lui Ramsden Building School of Human and Health Sciences University of Huddersfield Queensgate, Huddersfield HD1 3DH E: S.Lui@hud.ac.uk Philip WARELOW PhD Senior Lecturer Faculty of Health Science Federation University, Mt. Helen Campus, University Drive, Ballarat, 3353 T: +61 3 53279673 E: p.warelow@federation.edu.au