CD4.1		First baseline CD4 measure   
CD4.2		Second baseline CD4 measure
RNA1		First baseline HIV RNA concentration (copies/mL)   
RNA2		Second baseline HIV RNA concentration (copies/mL) 
AGE		age in years
RACETH  	race/ethnic group	1=Non-Hispanic white
					2=Non-Hispanic black
					3=Hispanic
					4=Other
WTKG		weight in kilograms
SITE    	study site subject enrolled at
SEX     	sex of subject
IVDRUG  	Intravenous drug use?
HOMOSEX 	homosexuality (Y=homosexual, N=not homosexual)
daysart		days of previous antiretroviral use before enrolling in study
trt.x		treatment group (A, B, C or D)
RNA		HIV RNA concentration (copies/mL) at 8 week visit
CD4		CD4 count at 8 week visit
Y		Follow-up time (weeks from randomization)
EVENT		event indicator (AIDS or death)