TABLE 1.

Sample Characteristics

Variable	HIV+ (N=100)	HIV− (N=26)
Age, years	43.83 (7.30)	46.31 (13.21)
Gender, % men	76.4	50
Ethnicity, % African American	68.8	43.1
Caucasian	17.3	44.8
Hispanic	9.1	8.6
Multiracial	0	1.7
American Indian	1.0	1.7
Asian American	1.4	0
Education	13.08 (2.3)	14.16 (2.13)
CD4 count	361.50 (248.32)	N/A
Undetectable viral load, %	33	N/A
* Premorbid IQ	103.01 (10.41)	111.30 (10.58)
*% Past substance use	61	31
Attention/working memory, T-score	42.56 (7.39)	48.05 (8.33)
Speed of information-processing	40.64 (9.52)	44.48 (9.69)
Learning and memory, T-score	38.02 (12.06)	44.83 (11.34)
Verbal function, T-score	45.57 (11.75)	46.95 (11.29)
Motor function, T-score	37.96 (10.85)	40.27 (10.48)
Executive function, T-score	41.51 (7.97)	46.24 (8.55)
Global functioning, T-score	41.08 (6.85)	45.11 (6.39)
* Depression score	14.53 (10.93)	8.36 (10.39)
* Gambling Index score	5.37 (18.84)	21.29 (23.80)

Values are mean (standard deviation), unless otherwise indicated.

^*p < 0.05.