Table 1.

Characteristics of men with oral HPV16 at the time of enrollment into the oral HPV substudy

Total (n = 23)Prevalent (n = 10)Incident (n = 13)
Characteristicn (%)n (%)n (%)Pa
Country0.241
 USA8 (34.8%)2 (20.0%)6 (46.2%)
 Brazil7 (30.4%)5 (50.0%)2 (15.4%)
 Mexico8 (34.8%)3 (30.0%)5 (38.5%)
Age, years0.721
 Median (IQR)36 (25–42)37 (25–43)32 (30–37)
 18–3010 (43.5%)4 (40.0%)6 (46.2%)
 31–4410 (43.5%)4 (40.0%)6 (46.2%)
 45–643 (13.0%)2 (20.0%)1 (7.7%)
Race1.000
 White12 (52.2%)5 (50.0%)7 (53.8%)
 Black2 (8.7%)1 (10.0%)1 (7.7%)
 Asian/Pacific Islander1 (4.3%)0 (0%)1 (7.7%)
 Mixed race8 (34.8%)4 (40.0%)4 (30.8%)
Ethnicity1.000
 Non-Hispanic15 (65.2%)7 (70.0%)8 (61.5%)
 Hispanic8 (34.8%)3 (30.0%)5 (38.5%)
Marital status0.594
 Single10 (43.5%)3 (30.0%)7 (53.8%)
 Married or cohabiting10 (43.5%)5 (50.0%)5 (38.5%)
 Divorced, separated, or widowed3 (13.0%)2 (20.0%)1 (7.7%)
Education, y0.754
 ≤127 (30.4%)4 (40.0%)3 (23.1%)
 13–156 (26.1%)2 (20.0%)4 (30.8%)
 ≥1610 (43.5%)4 (40.0%)6 (46.2%)
Smoking status1.000
 Never16 (69.6%)8 (80.0%)8 (61.5%)
 Former1 (4.3%)0 (0%)1 (7.7%)
 Current5 (21.7%)2 (20.0%)3 (23.1%)
 Missing data1 (4.3%)0 (0%)1 (7.7%)
Alcohol intake (drinks per month)0.861
 04 (17.4%)2 (20.0%)2 (15.4%)
 1–3010 (43.5%)5 (50.0%)5 (38.5%)
 ≥319 (39.1%)3 (30.0%)6 (46.2%)
Sexual orientation1.000
 MSW20 (87.0%)9 (90.0%)11 (84.6%)
 MSM1 (4.3%)0 (0%)1 (7.7%)
 MSWM2 (8.7%)1 (10.0%)1 (7.7%)
Lifetime number of sex partners0.934
 Median (IQR)10 (4–26)11 (4–26)8 (5–20)
 0–23 (13.0%)1 (10.0%)2 (15.4%)
 3–76 (26.1%)2 (20.0%)4 (30.8%)
 8–197 (30.4%)4 (40.0%)3 (23.1%)
 ≥207 (30.4%)3 (30.0%)4 (30.8%)
Ever had oral sex0.277
 No4 (17.4%)3 (30.0%)1 (7.7%)
 Yes19 (82.6%)7 (70.0%)12 (92.3%)
Ever had oral sex with a man0.622
 No18 (78.3%)7 (70.0%)11 (84.6%)
 Yes5 (21.7%)3 (30.0%)2 (15.4%)
Had oral sex in the past 6 monthsb0.640
 No7 (31.8%)4 (40.0%)3 (23.1%)
 Yes15 (68.2%)6 (60.0%)9 (69.2%)
 Missing data1 (4.3%)0 (0%)1 (7.7%)
Number of oral sex acts in the past 6 monthsb0.579
 09 (39.1%)4 (40.0%)5 (38.5%)
 1–61 (4.3%)0 (0%)1 (7.7%)
 7–248 (34.8%)3 (30.0%)5 (38.5%)
 ≥254 (17.4%)3 (30.0%)1 (7.7%)
 Missing data1 (4.3%)0 (0%)1 (7.7%)
Time since last oral sex (days)b0.519
 0–36 (26.1%)3 (30.0%)3 (23.1%)
 >3–102 (8.7%)0 (0%)2 (15.4%)
 >10–303 (13.0%)2 (20.0%)1 (7.7%)
 >306 (26.1%)2 (20.0%)4 (30.8%)
 Never4 (17.4%)3 (30.0%)1 (7.7%)
 Missing data2 (8.7%)0 (0%)2 (15.4%)

Abbreviations: MSW, men who have sex with women; MSM, men who have sex with men; MSWM, men who have sex with women and men.

  • aExact Pearson χ2 P value using Monte Carlo estimation.

  • bQuestion not asked among all men because the study questionnaire was revised in 2007 after oral sample collection began.