Table 1.

Baseline Characteristics by Age Known to Acquire HIV-1 Infection

	Total (n = 32)	Nonbehavioral (n = 15)	Behavioral (n = 17)	p Value
HIV-related characteristics
Age of first documented HIV-1 positive test (year)
n	32	15	17	<.0001
Mean	12.95	6.77	18.40
HIV-related diagnosis at preentry
Subjects with at least one CDC category C diagnosis
Yes	11 (36.7)	6 (46.2)	5 (29.4)	0.4539
No	19 (63.3)	7 (53.8)	12 (70.6)
Retrospective antiretroviral exposure history at preentry
Number of ART regimen
2	5 (15.6)	0 (0.0)	5 (29.4)	0.0644
3	2 (6.3)	1 (6.7)	1 (5.9)
4	3 (9.4)	1 (6.7)	2 (11.8)
5+	22 (68.8)	13 (86.7)	9 (52.9)
Total length of time exposed to current ART prior to study entry
>6 but ≤24 months	8 (25.0)	0 (0.0)	8 (47.1)	0.0029
>24 months	24 (75.0)	15 (100)	9 (52.9)
CD4 T cell percent at preentry (%)
n	32	15	17	0.6915
Mean	33.60	34.26	33.02
CD4 T cell count at preentry (cells/μl)
n	32	15	17	0.1460
Mean	801.13	908.93	706.00
Std. Dev.	328.20	408.16	205.95