Table 1. Characteristics of men with oral human papillomavirus (HPV) type 16 at the time of enrollment into the oral HPV substudy.
| Total (n=23) |
Prevalent (n=10) |
Incident (n=13) |
||
|---|---|---|---|---|
|
|
||||
| Characteristic | n (%) | n (%) | n (%) | P-valuea |
| Country | 0.241 | |||
| USA | 8 (34.8%) | 2 (20.0%) | 6 (46.2%) | |
| Brazil | 7 (30.4%) | 5 (50.0%) | 2 (15.4%) | |
| Mexico | 8 (34.8%) | 3 (30.0%) | 5 (38.5%) | |
| Age (years) | 0.721 | |||
| Median (IQR) | 36 (25–42) | 37 (25–43) | 32 (30–37) | |
| 18–30 | 10 (43.5%) | 4 (40.0%) | 6 (46.2%) | |
| 31–44 | 10 (43.5%) | 4 (40.0%) | 6 (46.2%) | |
| 45–64 | 3 (13.0%) | 2 (20.0%) | 1 (7.7%) | |
| Race | 1.000 | |||
| White | 12 (52.2%) | 5 (50.0%) | 7 (53.8%) | |
| Black | 2 (8.7%) | 1 (10.0%) | 1 (7.7%) | |
| Asian/Pacific Islander | 1 (4.3%) | 0 (0%) | 1 (7.7%) | |
| Mixed race | 8 (34.8%) | 4 (40.0%) | 4 (30.8%) | |
| Ethnicity | 1.000 | |||
| Non-Hispanic | 15 (65.2%) | 7 (70.0%) | 8 (61.5%) | |
| Hispanic | 8 (34.8%) | 3 (30.0%) | 5 (38.5%) | |
| Marital status | 0.594 | |||
| Single | 10 (43.5%) | 3 (30.0%) | 7 (53.8%) | |
| Married or cohabiting | 10 (43.5%) | 5 (50.0%) | 5 (38.5%) | |
| Divorced, separated, or widowed | 3 (13.0%) | 2 (20.0%) | 1 (7.7%) | |
| Education (years) | 0.754 | |||
| ≤12 | 7 (30.4%) | 4 (40.0%) | 3 (23.1%) | |
| 13–15 | 6 (26.1%) | 2 (20.0%) | 4 (30.8%) | |
| ≥16 | 10 (43.5%) | 4 (40.0%) | 6 (46.2%) | |
| Smoking status | 1.000 | |||
| Never | 16 (69.6%) | 8 (80.0%) | 8 (61.5%) | |
| Former | 1 (4.3%) | 0 (0%) | 1 (7.7%) | |
| Current | 5 (21.7%) | 2 (20.0%) | 3 (23.1%) | |
| Missing data | 1 (4.3%) | 0 (0%) | 1 (7.7%) | |
| Alcohol intake (drinks per month) | 0.861 | |||
| 0 | 4 (17.4%) | 2 (20.0%) | 2 (15.4%) | |
| 1–30 | 10 (43.5%) | 5 (50.0%) | 5 (38.5%) | |
| ≥31 | 9 (39.1%) | 3 (30.0%) | 6 (46.2%) | |
| Sexual orientation | 1.000 | |||
| MSW | 20 (87.0%) | 9 (90.0%) | 11 (84.6%) | |
| MSM | 1 (4.3%) | 0 (0%) | 1 (7.7%) | |
| MSWM | 2 (8.7%) | 1 (10.0%) | 1 (7.7%) | |
| Lifetime number of sex partners | 0.934 | |||
| Median (IQR) | 10 (4–26) | 11 (4–26) | 8 (5–20) | |
| 0–2 | 3 (13.0%) | 1 (10.0%) | 2 (15.4%) | |
| 3–7 | 6 (26.1%) | 2 (20.0%) | 4 (30.8%) | |
| 8–19 | 7 (30.4%) | 4 (40.0%) | 3 (23.1%) | |
| ≥20 | 7 (30.4%) | 3 (30.0%) | 4 (30.8%) | |
| Ever had oral sex | 0.277 | |||
| No | 4 (17.4%) | 3 (30.0%) | 1 (7.7%) | |
| Yes | 19 (82.6%) | 7 (70.0%) | 12 (92.3%) | |
| Ever had oral sex with a man | 0.622 | |||
| No | 18 (78.3%) | 7 (70.0%) | 11 (84.6%) | |
| Yes | 5 (21.7%) | 3 (30.0%) | 2 (15.4%) | |
| Had oral sex in the past 6 monthsb | 0.640 | |||
| No | 7 (31.8%) | 4 (40.0%) | 3 (23.1%) | |
| Yes | 15 (68.2%) | 6 (60.0%) | 9 (69.2%) | |
| Missing data | 1 (4.3%) | 0 (0%) | 1 (7.7%) | |
| Number of oral sex acts in the past 6 monthsb | 0.579 | |||
| 0 | 9 (39.1%) | 4 (40.0%) | 5 (38.5%) | |
| 1–6 | 1 (4.3%) | 0 (0%) | 1 (7.7%) | |
| 7–24 | 8 (34.8%) | 3 (30.0%) | 5 (38.5%) | |
| ≥25 | 4 (17.4%) | 3 (30.0%) | 1 (7.7%) | |
| Missing data | 1 (4.3%) | 0 (0%) | 1 (7.7%) | |
| Time since last oral sex (days)b | 0.519 | |||
| 0–3 | 6 (26.1%) | 3 (30.0%) | 3 (23.1%) | |
| >3–10 | 2 (8.7%) | 0 (0%) | 2 (15.4%) | |
| >10–30 | 3 (13.0%) | 2 (20.0%) | 1 (7.7%) | |
| >30 | 6 (26.1%) | 2 (20.0%) | 4 (30.8%) | |
| Never | 4 (17.4%) | 3 (30.0%) | 1 (7.7%) | |
| Missing data | 2 (8.7%) | 0 (0%) | 2 (15.4%) | |
MSW=men who have sex with women. MSM=men who have sex with men. MSWM=men who have sex with women and men.
a
Exact Pearson chi-square P-value using Monte Carlo estimation.
b
Question not asked among all men because the study questionnaire was revised in 2007 after oral sample collection began.