Literal question
In the last 4 weeks, how much did your household spend on health care products such prescription glasses, hearing aids, prosthetic devices, etc.?
Question pretext
Household Expenditure:
I would like to ask you more specific questions about how much your household spent on health services. When answering these questions, think about all of the times that any household member used a health service in the last 4 weeks. Please exclude costs to be reimbursed by insurance and any transportation costs.