TABLE 3.

Inclusion and exclusion criteria

Inclusion criteria	Exclusion criteria
Peer‐reviewed studies, using qualitative methods (including mixed‐methods studies if they included a qualitative element)	Studies not published in English
Studies investigating communication in dementia using a family system approach (describing communication between a person with dementia and at least 2 or more family members)	Grey literature
Adult with a diagnosis of dementia of any subtype or age	Studies focusing on other progressive neurological conditions or mental conditions other than dementia (e.g., Parkinson's disease, Schizophrenia, depression)
Studies published between 2009 and 2020	Studies focusing on communication between people with dementia, family members and health professionals
	Studies focused on the delivery of a communication therapy or intervention, development of a framework, guideline or policy
	Studies exploring a family system with dementia in relation to a general concept, e.g., coping with diagnosis, and does not describe communication difficulties