Participant characteristics at initial HAART visit.

Characteristic	Median (inter-quartile range) or %
Date of HAART initiation	February 1998 (March 1997, February 2000)
Cumulative NRTI use-years	3.3 (1.6, 5.1)
Cumulative zidovudine use-years	1.0 (0.5, 1.9)
Cumulative stavudine use-years	0.5 (0.0, 1.0)
Cumulative abacavir use-years	0.0 (0.0, 0.0)
Cumulative tenofovir use-years	(0.0, 0.0)
Cumulative PI use-years	0.5 (0.2, 0.6)
Cumulative NNRTI use-years	0.0 (0.0, 0.4)
Enrollment Period 1994-1995	91%
Age, yearsa	38.7 (33.6, 44.1)
Race/Ethnicity African-American Hispanic White Other	56% 25% 16% 2%
Alcohol Use>3 drinks/week^a	18%
Cigarette Smoking^a Current Former Never	51% 22% 27%
Marijuana usesince last visit	18%
Injection drug, heroin, cocaine, or crack usesince last visit	13%
Quality of Life^a	65.5 (48.4, 79.5)
CESD> 16^a	49%
Highest education level attained Graduated college or higher Some College Completed High School Did not complete high school	8% 25% 31% 37%
Have AIDS^a	40%
CD4 cell count, cells/mm³^a <100 100-<200 200-<500 ≥ 500	15% 18% 51% 15%
log₁₀HIVRNA, copies/ml^a	4.2 (3.3, 4.8)

^aascertained from visit immediately prior to initiating HAART

Table 1: Participant characteristics at initial HAART visit, N = 1177.

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