Table 1.
Selected Characteristics of Men Who Have Sex With Men and Men Who Have Sex With Women at Enrollment of the HPV in Men (HIM) Study, 2005–2009a
| No. (%) of men | |||
| Characteristic | MSM (n = 156) | MSW (n = 954) | P valueb |
| City of residence | |||
| São Paulo | 109 (69.9) | 307 (32.2) | <.0001 |
| Cuernavaca | 23 (14.7) | 314 (32.9) | |
| Tampa | 24 (15.4) | 333 (34.9) | |
| Age, y | |||
| 18–30 | 68 (43.6) | 405 (42.5) | .07 |
| 31–44 | 70 (44.9) | 372 (39.0) | |
| 45–70 | 18 (11.5) | 177 (18.6) | |
| Median (range) | 32.5 (18–61) | 33.0 (18–70) | |
| Race | |||
| White | 96 (61.5) | 433 (45.4) | <.0001 |
| Black | 29 (18.6) | 146 (15.3) | |
| Mixed/other | 30 (19.2) | 363 (38.1) | |
| Missing data | 1 (0.6) | 12 (1.3) | |
| Ethnicity | |||
| Hispanic | 63 (40.4) | 413 (43.3) | .14 |
| Non-Hispanic | 90 (57.7) | 536 (56.2) | |
| Missing data | 3 (1.9) | 5 (0.5) | |
| Marital status | |||
| Single, never married | 101 (64.7) | 348 (36.5) | <.0001 |
| Married | 26 (16.7) | 376 (39.4) | |
| Cohabitating | 16 (10.3) | 129 (13.5) | |
| Divorced/separated/widowed | 12 (7.7) | 99 (10.4) | |
| Missing data | 1 (0.6) | 2 (0.2) | |
| Duration of relationship with a primary sex partner | |||
| No relationship | 62 (39.7) | 182 (19.1) | <.0001 |
| <1 year | 28 (18.0) | 176 (18.5) | |
| 1–5 years | 31 (19.9) | 212 (22.2) | |
| >5 years | 30 (19.2) | 360 (37.7) | |
| Missing data | 5 (3.2) | 24 (2.5) | |
| Years of school | |||
| <12 | 28 (18.0) | 203 (21.3) | .75 |
| 12 | 37 (23.7) | 235 (24.6) | |
| 13–16 | 79 (50.6) | 446 (46.8) | |
| ≥17 | 12 (7.7) | 68 (7.1) | |
| Missing data | 0 (0.0) | 2 (0.2) | |
| Prepuce present (clinician report) | |||
| Yes | 117 (75.0) | 606 (63.5) | .005 |
| No | 39 (25.0) | 348 (36.5) | |
| Cigarette smoker | |||
| Never | 94 (60.3) | 529 (55.5) | .39 |
| Former | 27 (17.3) | 210 (22.0) | |
| Current | 35 (22.4) | 215 (22.5) | |
| Alcoholic drinks in past month | |||
| 0–30 | 100 (64.1) | 662 (69.4) | .32 |
| 31–60 | 21 (13.5) | 114 (12.0) | |
| >60 | 23 (14.7) | 134 (14.1) | |
| Missing data | 12 (7.7) | 44 (4.6) | |
| Anogenital warts (clinician report) | |||
| Yes | 7 (4.5) | 57 (6.0) | .58 |
| No | 149 (95.5) | 897 (94.0) | |
| Lifetime number of male anal sex partners | |||
| 0–2 | 23 (14.7) | 947 (99.3) | <.0001 |
| 3–9 | 55 (35.3) | 0 (0.0) | |
| ≥10 | 61 (39.1) | 0 (0.0) | |
| Missing data | 17 (10.9) | 7 (0.7) | |
| Median (range) | 6.0 (0–2000) | 0.0 (0–2) | |
| Lifetime number of female sex partners | |||
| 0–2 | 78 (50.0) | 146 (15.3) | <.0001 |
| 3–9 | 32 (20.5) | 337 (35.3) | |
| ≥10 | 31 (19.9) | 422 (44.2) | |
| Missing data | 15 (9.6) | 49 (5.1) | |
| Median (range) | 2.0 (0–100) | 8.0 (0–1000) | |
| Number of male anal sex partners in past 3 months | |||
| 0 | 48 (30.8) | 947 (99.3) | <.0001 |
| 1 | 36 (23.1) | 0 (0.0) | |
| ≥2 | 62 (39.7) | 0 (0.0) | |
| Missing data | 10 (6.4) | 7 (0.7) | |
| Median (range) | 1.0 (0–150) | … | |
| Number of female sex partners in past 6 months | |||
| 0 | 107 (68.6) | 233 (24.4) | <.0001 |
| 1 | 14 (9.0) | 460 (48.2) | |
| ≥2 | 27 (17.3) | 230 (24.1) | |
| Missing data | 8 (5.1) | 31 (3.3) | |
| Median (range) | 0.0 (0–39) | 1.0 (0–15) | |
| Frequency of condom use for anal sex with women or men in past 6 months | |||
| Always | 50 (32.1) | 83 (8.7) | <.0001 |
| Sometimes | 59 (37.8) | 61 (6.4) | |
| Never | 22 (14.1) | 114 (12.0) | |
| No anal sex in past 6 months | 23 (14.7) | 644 (67.5) | |
| Missing data | 2 (1.3) | 52 (5.5) | |
| Frequency of condom use for vaginal sex in past 6 months | |||
| Always | 18 (11.5) | 181 (19.0) | <.0001 |
| Sometimes | 27 (17.3) | 287 (30.1) | |
| Never | 15 (9.6) | 396 (41.5) | |
| No vaginal sex in past 6 months | 90 (57.7) | 82 (8.6) | |
| Missing data | 6 (3.9) | 8 (0.8) | |
Abbreviations: MSM, men who have sex with men; MSW, men who have sex with women.
a
Sample consists of men who provided evaluable anal samples at both enrollment and the 6-month visit of the HIM Study.
b
P values are 2-sided and derived from Fisher exact test or χ2 using nonmissing observations.