Table 1.

Demographics and disease history of the 615 children aged 2-12 years in the collaborative HIV paediatric study (CHIPS) who took antiretrovirals after 1 January 1997

Characteristic	No (%)
Female	289 (47%)
Known to be vertically HIV-1 infected	584 (95%)
Ethnic group:
Black	445 (72%)
White	90 (15%)
Mixed	60 (10%)
Other/unknown	20 (3%)
Received antiretrovirals before 1 January 1997	132 (21%)