The International Classification of Function Disability and Health (ICF) in adults visiting the HIV outpatient clinic at a regional hospital in Johannesburg, South Africa.

In 2005, 16.6% of South Africans between 15 and 49 years of age were HIV positive. The advent of anti-retroviral therapy has led to improved longevity, CD4 counts and clinical well-being of people living with HIV/AIDS (PLWHA).