Table 2.
Baseline demographic characteristics of the study groups (N=116): mean (SD) or frequency count
| Control (C) | HIV (H) | Group Differences χ2 or t-test p-value |
||
|---|---|---|---|---|
| Sex: M/F | 31/34 | 34/17 | 0.0636 | |
| Age (yrs) | 44.7 | 44.9 | n.s. | |
| (11.4) | (9.4) | |||
| n= | 65 | 51 | ||
| Education (yrs) | 15.4 | 13.4 | 0.0002 | |
| (2.5) | (3.0) | |||
| n= | 65 | 51 | ||
| Handedness score | 23.2 | 24.2 | n.s. | |
| (RH=14–30; LH=50–70) | (12.5) | (9.8) | ||
| n= | 63 | 51 | ||
| Body mass index | 26.1 | 26.1 | n.s. | |
| (5.2) | (4.2) | |||
| n= | 65 | 51 | ||
| Socioeconomic status | 30.4 | 38.3 | 0.0039 | |
| (lower score=higher status) | (13.1) | (15.0) | ||
| n= | 58 | 51 | ||
| NART IQ | 111.8 | 106.5 | 0.0016 | |
| (7.2) | (9.6) | |||
| n= | 61 | 44 | ||
| Beck Depression Inventory II | 2.3 | 12.2 | 0.0001 | |
| (3.3) | (9.0) | |||
| n= | 38 | 47 | ||
| Global Assessment of Functioning (GAF) | 82.0 | 70.6 | 0.0001 | |
| (7.8) | (11.0) | |||
| n= | 37 | 51 | ||
| HIV onset age (years) | — | 34.5 | — | |
| (9.0) | ||||
| n= | 49 | |||
| HIV duration (days) | — | 3908.0 | — | |
| (2655.0) | ||||
| n= | 49 | |||
| CD4 cell count (100/mm3) | — | 515.5 | — | |
| (268.0) | ||||
| n= | 51 | |||
| CD4 cell count nadir (100/mm3) | — | 193.8 | — | |
| (145.4) | ||||
| n= | 42 | |||
| Viral load | — | 9608.9 | — | |
| (20664.0) | ||||
| n= | 51 | |||
| AIDS-defining event (no/yes) | — | 26/25 | — | |
| Hepatitis C virus (positive/negative) | — | 14/37 | — | |
| n= | 51 | |||
| ART or HAART (yes/no) | — | 41/10 | — | |
| n= | 51 | |||
| Smoker (never/current or past) | 29/10 | 20/28 | 0.0045 | |
| n= | 39 | 48 | ||
| Self-Defined Ethnicity | ||||
| Caucasian | 41 | 29 | n.s. | |
| African American | 12 | 20 | 0.023 | |
| Other | 12 | 2 | n.s. |