Table 1.
Characteristic | N (%) |
---|---|
Demographics | |
Mean age (years) (±SD) | 45 (±8) |
Race/ethnicity | |
Non-Hispanic white | 335 (91) |
Black | 5 (1) |
Asian/other | 8 (2) |
Hispanic | 21 (6) |
Education | |
Did not complete college | 144 (39) |
Completed college | 115 (31) |
Completed graduate school | 110 (30) |
Substance use | |
Smoked >100 lifetime cigarettes | 202 (55) |
History of injection drug use | 77 (21) |
Medical history | |
History anal or genital warts | 279 (76) |
Mean number of episodes of anal warts | 9 (±24) |
Prevalent HPV infection at baseline | 339 (92) |
AIN diagnosed at baseline | 463 (±261) |
Normal | 60 (21) |
LGAIN | 85 (29) |
HGAIN | 144 (49) |
Mean CD4+ T-cell count (±SD) | 463 (±261) |
<200 | 50 (14) |
200–500 | 178 (49) |
>500 | 136 (37) |
Mean HIV viral load (±SD) | 10619 (±47159) |
<500 | 219 (62) |
500–4000 | 61 (17) |
4001–20 000 | 46 (13) |
>20 000 | 30 (8) |
Currently taking antiretroviral medications | 319 (86) |
HIV diagnosis in past 12 months | 7 (2) |
Lifetime sexual history | |
Number of female partners | |
0 | 134 (36) |
1–4 | 151 (41) |
5+ | 84 (23) |
Number male partners with whom participant was receptive partner | |
0–50 | 147 (40) |
51–200 | 109 (30) |
201+ | 110 (30) |
Number male partners with whom participant was insertive partner | |
0–50 | 164 (45) |
51–200 | 115 (31) |
201+ | 89 (24) |
Number oral–anal contact partners (participant receives anal contact) | |
0–10 | 142 (38) |
11–50 | 129 (35) |
51+ | 98 (27) |
AIN, anal intraepithelial neoplasia; HGAIN, high-grade anal intraepithelial neoplasia; LGAIN, low-grade anal intraepithelial neoplasia. When numbers do not total 369 data were missing.