Table 2.

Inclusion/exclusion criteria

	Included	Excluded
Type of literature	Peer-reviewed studies English language
	Primary qualitative research Qualitative components of mixed-methods studies	Systematic reviews Quantitative only studies
Setting/patients	Any adult mental health service including inpatient, outpatient and community Dementia services, if part of a mental health service Wider studies where mental health-specific data can be extracted	Children and Adolescent mental health services (CAMHS) Drug treatment and learning disability services, if not provided by mental health professionals Social care settings General healthcare settings providing treatment to mental health patients for example, Emergency department (ED), general pracitce (GP)
Staff groups	All grades and types of registered mental health professionals (including nurses, doctors, occupational therapists, psychiatrists)	Non-registered and non-clinical staff (eg, care assistants, porters, administrative staff)
Geographical area	UK, ie, England, Northern Ireland, Scotland, Wales or where UK-specific data can be extracted	All other countries
Date	2004, with particular focus on 2010 onwards