Subject characteristics

HIV-positive

HIV-negative

p-value

N

52

55

–

Male

44 (85%)

40 (73%)

0.14

Age (years)

50.8 ± 7.1

54.0 ± 7.5

0.03

Education (years)

14.4 ± 2.3

15.2 ± 2.4

0.06

Race

Caucasian

28 (54%)

36 (65%)

0.31

African American/Black

0 (0%)

1 (2%)

Native Hawaiian/Pacific Islander

7 (14%)

0 (0%)

Asian

6 (11%)

6 (11%)

More than one race

10 (19%)

12 (22%)

Unknown

1 (2%)

0 (0%)

Hispanic ethnicity

9 (17%)

5 (9%)

0.26

Years since HIV diagnosis

13.3 ± 6.7

–

–

Years on combination antiretroviral therapy

11.2 ± 6.0

–

–

Nadir CD4 count (cells/mm³), median (Q1 - Q3)

116.0 (34.0 - 251.5)

–

–

Current CD4 count (cells/mm³) median (Q1 - Q3)

460.5 (291.5 - 594.3)

–

–

Undetectable plasma HIV RNA (<50 copies/mL)

43 (83%)

–

–

Diabetes

4 (8%)

1 (2%)

0.15

Hypertension

13 (25%)

11 (20%)

0.54

History of myocardial infarction

1 (2%)

0 (0%)

0.49

Cannabis use

Ever used

48 (92%)

44 (80%)

0.07

Recent use

25 (52%^A)

9 (21%^A)

0.002

Lifetime frequency of use (0 - 10 times)

13 (25%)

23 (42%)

0.07

Lifetime frequency of use (>10 times)

39 (75%)

32 (58%)

Duration of cannabis use (years)

10.0 (5.0 - 30.0)

6.0 (1.0 - 20.0)

0.02^‡

Tobacco smoking

Current smokers

17 (33%)

9 (16%)

0.05

Ever smokers

34 (65%)

34 (62%)

0.70

Alcohol Use°

Never

20 (39%)

14 (26%)

0.09

Occasional

20 (39%)

20 (36%)

Frequent

10 (20%)

21 (38%)