Table 1 Baseline Characteristics of Participants

Number of participants, n

276

149

127

–

Gender, Male

252 (91 %)

137 (92 %)

115 (91 %)

0.845

Race

–

–

–

0.234

  Caucasian

119 (43 %)

70 (47 %)

49 (39 %)

–

  African-American

126 (46 %)

61 (41 %)

65 (51 %)

–

  Hispanic/Other

31 (11 %)

18 (12 %)

13 (10 %)

–

Median Year of HIV Diagnosis

1993 (1989,1998)

1996

(1991, 2000)

1991

(1987, 1994)

<0.001

Median Age at HIV Diagnosis, years

31 (26,38)

32 (28,38)

30 (25, 37)

0.065

Median Year of HAART Initiation

1997 (1996,1999)

1998 (1997,2001)

1997 (1996,1998)

<0.001

HAART Era at Initiation

–

–

–

<0.001

  1996–1999

212 (77 %)

98 (66 %)

114 (90 %)

–

  2000–2003

64 (23 %)

51 (34 %)

13 (10 %)

–

Median Age at First HAART, years

37 (32,42)

37 (32,41)

37 (31,42)

0.807

Median CD4 Count at First HAART, cells/uL

319

(200, 458)

375

(256, 499)

261

(146,400)

<0.001

Median VL at first HAART, log₁₀ copies/mL

4.5 (3.6,4.9)

4.4 (3.5, 4.9)

4.5 (3.8, 5)

0.048

AIDS before first HAART

27 (10 %)

12 (8 %)

15 (12 %)

0.399

First HAART Regimen

–

–

–

<0.001

  3 NRTI

14 (5 %)

12 (8 %)

2 (2 %)

–

  Boosted PI

20 (7 %)

7 (5 %)

13 (10 %)

–

  NNRTI

53 (19 %)

43 (29 %)

10 (8 %)

–

  PI + NNRTI + NRTI

16 (6 %)

11 (7 %)

5 (4 %)

–

  Unboosted PI

173 (63 %)

76 (51 %)

97 (76 %)

–

Non-HAART ARV Use Before HAART

160 (58 %)

55 (37 %)

105 (83 %)

<0.001

History of HBV Infection Before First HAART

125 (45 %)

60 (40 %)

65 (51 %)

0.090

History of HCV Infection Before First HAART

12 (4 %)

5 (3 %)

7 (6 %)

0.562