Objective The aim of the present study was to compare the health status of South Australians with recent experience of caring for an adult with chronic disease with non-carers drawn from the same population. Methods Data were collected via the South Australian Health Omnibus, an annual population-based, cross-sectional survey. Respondents were asked whether they had provided care or support in the last 5 years to someone with cancer, heart disease, respiratory disease, mental illness, neurological disease or dementia.