PubMed:: "Primary Prevention"[Mesh] OR "Secondary Prevention"[Mesh] OR "prevention and control" [Subheading] OR "Tertiary Prevention"[Mesh] OR "Accident Prevention"[Mesh];; Embase.com:: 'prevention study'/exp OR 'prevention'/exp OR prevent*:ab,ti;; CINAHL:: ( (MH "Fall Prevention (Iowa NIC)") OR (MH "Safety Behavior;; Cochrane Library:: prevent*:ab,ti,kw