Table 3. Use of study outcome measures.

Measure	What this measures	Number of items	Baseline	Follow Up
Demographic questionnaire	Age, Gender, Ethnicity, Sexual orientation, Relationship to cared for person, Dementia diagnosis, Geographical location, Household composition, income and government assistance, Education history, Employment status, Chronic health conditions		X
Short Sense of Competence Questionnaire	Relational competence	7	X	X
Dyadic Relationship Scale (Caregiver)	Relationship strain (e.g., I felt resentful)	11	X	X
Carer Communication Questionnaire	Carer perceptions of communication	10	X	X
Perceived Stress Scale	Stress	10	X	X
Hospital Anxiety & Depression Scale (HADS)	Anxiety and Depression	14	X	X
C-DEMQOL	Quality of life	30	X	X
Caregiving Ambivalence Scale	Goal conflict	6	X	X
Bristol Activities of Daily Living Scale (BADLS)	Ability of someone with dementia to carry out daily activities such as dressing and preparing food	20	X	X
EQ-5D-5L	Health-related quality of life	5	X	X
Healthcare service use	Hospital, primary, community and social care use	-	X	X
Clinical Dementia Rating (CDR) scale	Severity of dementia.	-	X