Table 1.

Eligibility criteria for the RCT

Inclusion criteria	(1) Adults (age 18+ years) who self-identify as an unpaid carer of a person with dementia who is not living in a full-time care facility, caring at least weekly for at least 6 months.
	(2) Self-identify as experiencing at least some stress, depression or anxiety.
	(3) The care recipient has to have a confirmed diagnosis of dementia through self-report of the carer.
Exclusion criteria	(1) Receiving psychological treatment from a mental health specialist at the time of recruitment.
	(2) Unable to comprehend written English.
	(3) No access to the internet.
	(4) Unable to give informed consent to the trial.
	(5) Have previously used ‘iSupport’ materials in the last 12 months.