Table 1.

Inclusion criteria

Study design:	randomised controlled trials.
Study participants:	principal informal caregiver (not a paid professional) and care recipient (diagnosed with dementia) dyad living in the community.
Intervention:	information and/or support intervention.
Outcomes:	caregiver outcomes: quality of life, physical and mental health, burden or satisfaction; and patient outcomes: such as activities of daily living or behaviours; health service utilization: such as numbers of in-patient, outpatient or primary health care contacts; economic outcomes: such as time spent on caring activities.