Table 1.

Participant baseline demographic and clinical characteristics (N=109)

	HIV-seronegative controls (n=34)	Individuals living with HIV (n=75)	Test of group difference
Age	39.4 ± 12.7	48.3 ± 9.1	p < .001
Education (years)	14.5 ± 2.8	13.5 ± 3.0	p = .083
Sex (% female)	50%	27%	p = .017
Racial background	68% White 29% African-American 3% Latino	61% White 24% African-American 12% Latino 3% Other	p = .332
Body mass index	28.1 ± 6.5	26.4 ± 5.6	p = .183
Current smoker	44%	47%	p = .907
Number of cigarettes per day	4.0 ± 6.2	4.6 ± 6.5	p = .659
Hepatitis C co-infection	---	69% uninfected 20% infected 11% missing data	---
Years since HIV diagnosis	---	17.3 ± 8.9	---
Prescribed ART	---	96%	---
HIV RNA viral load	---	72% ≤ 75 copies/ml 24% ≥ 75 copies/ml 4% missing data	---
Current CD4 count	---	549.7 ± 277.5	---
Nadir CD4 count	---	222.9 ± 179.6	---
Current alcohol use	26.5% non-drinker 47% moderate drinker 26.5% heavy drinker	24% non-drinker 57% moderate drinker 19% heavy drinker	p = .552
Average weekly drinks	11.5 ± 20.8	8.1 ± 14.8	p = .343
Percent drinking days	25.7 ± 27.6	26.1 ± 34.9	p = .942
Percent heavy drinking days	13.5 ± 21.3	9.5 ± 23.5	p = .399
Percent days using marijuana	12.9 ± 30.4	15.0 ± 31.1	p = .745

Values are reported as M ± SD except where expressed as percentages. Data were missing for 1–3 participants on smoking status, body mass index, CD4 nadir, and current CD4. For current level of alcohol use, non-drinkers reported zero drinks; moderate drinkers drank at non-hazardous levels (≤7 drinks/week for women, ≤14 drinks/week for men); and heavy drinkers exceeded moderate drinking thresholds.