Table 1.

Sample Characteristics from the Multicenter AIDS Cohort Study.

Sample Characteristics	Overall (N=1549)	HIV-Uninfected (N=838)	HIV-Infected (N=711)	p-value for difference
Depressive Phenotype, n(%)	429 (27.7)	194 (23.2)	235 (33.1)	<0.01
Enrollment Year (Year 2000+), n(%)	1,070 (69.1)	665 (79.4)	405 (57.0)	<0.01
Baseline CES-D score, mean (SD)	12.8 (9.6)	11.9 (8.9)	14.0 (10.3)	<0.01
Baseline Age, mean (SD)	51.1 (2.5)	51.5 (2.8)	50.7 (2.1)	<0.01
Baseline CD4 Count, cells/mm3, mean (SD)	788.8 (382.7)	993.4 (335.1)	547.6 (281.6)	<0.01
Baseline Viral Load, cells/mm3, mean (SD)	---	---	17283.9 (61937.0)	---
Ever Cocaine Use, n(%)	286 (18.5)	118 (14.1)	168 (23.6)	<0.01
Ever Intravenous Drug Use, n(%)	68 (4.4)	22 (2.6)	46 (6.5)	<0.01
Ever Use of Antidepressants, n(%)	665 (42.9)	327 (39.0)	338 (47.5)	<0.01
Ever Hepatitis C Status, n(%)	121 (7.8)	39 (4.7)	82 (11.5)	<0.01

SD=standard deviation