Table 1 Demographics of HIV-infected and HIV-uninfected participants
Variables | HIV (+), n = 39 | HIV (−), n = 20 | p value |
|---|---|---|---|
Gender, n (% male) | 31 (79.5) | 15 (75.0) | 0.69 |
Race, n (%) | Â | Â | 0.51 |
 White | 20 (51.3) | 13 (65) |  |
 Black | 18 (46.1) | 7 (35) |  |
 Other | 1 (2.6) |  |  |
Ever smokers, n (%) | 24 (61.5) | 10 (50.0) | 0.40 |
Current smokers, n (%) | 10 (25.6) | 5 (25.0) | 0.82 |
CD4 cell count, amedian cells/μl (IQR) | 600 (404–853) | 1137 (767–1272) | 0.008 |
CD4 count ≤200, n (%)a | 1 (2.6) |  |  |
Currently taking antiretroviral therapy, n (%) | 34 (87.2) | Â | Â |
Simpson’s Diversity Index, mean (SD) | 0.71 (0.26) | 0.81 (0.12) | 0.96 |