Table 1.

Description of study variables

Cost type	Cost categories	Description
Direct cost	Medical cost
	Medical care	Cost associated with medications, health supplies, consultation, treatments and therapies.
	Non-medical cost
	Residential care	Cost associated with rent, utilities and other housing expenses
	Household supplies	Cost associated with food, clothing, toiletries and personal items.
	Travel/transportation	Cost associated with travelling to, with or for the care recipient.
	Financial transfer	Cost associated with occasional monetary transfer from caregiver to care recipient.
Indirect cost	Productivity loss as a result of;
	Time spent on personal care	Time spent helping care recipient with feeding, going to the toilet, bathing, changing bandages and giving medicines.
	Time spent on household activities	Time spent on meal preparation, washing, cleaning or shopping on behalf of care recipient.
	Time on travel/transportation	Time spent in travelling to, with or for the care recipient.
	Time spent with care recipient	Time spent being a companion; facilitating social interactions and reducing social isolation.
Intangible cost	Caregiving burden
	Caregiving burden	Zarit burden interview score
	Financial stress	Financial dimension of cost of care index score