Table 3.
Demographic characteristics of HIM study participants at baseline comparing men with and without an incident anal HPV infection during follow-up by country
| Brazil (n=731) | Mexico (n=665) | US (n=634) | Global P valueb |
|||||||
|---|---|---|---|---|---|---|---|---|---|---|
| No infection |
Infection | P Valuea |
No infection |
Infection | P Valuea |
No infection |
Infection | P Valuea |
||
| Age | <.0001 | 0.21 | 0.55 | 0.0002 | ||||||
| 18–30 | 183(63.1) | 107(36.9) | 230(84.9) | 41(15.1) | 326(91.3) | 31(8.7) | ||||
| 31–44 | 266(78.0) | 75(22.0) | 267(88.4) | 35(11.6) | 142(88.8) | 18(11.3) | ||||
| 45–70 | 82(82.0) | 18(18.0) | 84(91.3) | 8(8.7) | 108(92.3) | 9(7.7) | ||||
| Race | 0.08 | 0.69 | 0.12 | 0.12 | ||||||
| White | 317(69.8) | 137(30.2) | 14(82.4) | 3(17.6) | 421(91.7) | 38(8.3) | ||||
| Black | 165(77.5) | 48(22.5) | 1(100.0) | 0(0.0) | 84(86.6) | 13(13.4) | ||||
| Asian/PI | 6(66.7) | 3(33.3) | 0(0.0) | 0(0.0) | 31(96.9) | 1(3.1) | ||||
| Other | 33(84.6) | 6(15.4) | 552(87.6) | 78(12.4) | 25(92.6) | 2(7.4) | ||||
| Refused | 10(62.5) | 6(37.5) | 14(82.4) | 3(17.6) | 15(78.9) | 4(21.1) | ||||
| Ethnicity | 0.15 | 0.12 | 0.84 | 0.19 | ||||||
| Hispanic | 129(69.0) | 58(31.0) | 580(87.5) | 83(12.5) | 79(89.8) | 9(10.2) | ||||
| Non-Hispanic | 390(74.4) | 134(25.6) | 0(0.0) | 1(100.0) | 495(91) | 49(9) | ||||
| Missing | 12(60.0) | 8(40.0) | 1(100.0) | 0(0.0) | 2(100.0) | 0(0.0) | ||||
| Years of Education | 0.0002 | 0.94 | 0.05 | 0.09 | ||||||
| ≤12 Years | 332(77.6) | 96(22.4) | 344(87.5) | 49(12.5) | 92(86) | 15(14) | ||||
| 13–15 Years | 60(56.6) | 46(43.4) | 58(87.9) | 8(12.1) | 306(93.3) | 22(6.7) | ||||
| ≥16 Years | 138(70.8) | 57(29.2) | 175(86.6) | 27(13.4) | 176(89.3) | 21(10.7) | ||||
| Missing | 1(50.0) | 1(50.0) | 4(100.0) | 0(0.0) | 2(100.0) | 0(0.0) | ||||
| Marital Status | <.0001 | <.0001 | 0.92 | <.0001 | ||||||
| Single | 201(60.2) | 133(39.8) | 125(76.2) | 39(23.8) | 352(91) | 35(9) | ||||
| Married/Cohabiting | 269(83.3) | 54(16.7) | 426(91.0) | 42(9.0) | 144(91.1) | 14(8.9) | ||||
| Divorced/Separated/Widowed | 58(81.7) | 13(18.3) | 28(90.3) | 3(9.7) | 76(89.4) | 9(10.6) | ||||
| Missing | 3(100.0) | 0(0.0) | 2(100.0) | 0(0.0) | 4(100.0) | 0(0.0) | ||||
| Current Smoker | 0.04 | 0.18 | 0.27 | 0.004 | ||||||
| Current | 95(64.6) | 52(35.4) | 177(83.9) | 34(16.1) | 97(87.4) | 14(12.6) | ||||
| Former | 94(77.7) | 27(22.3) | 134(89.3) | 16(10.7) | 113(89.7) | 13(10.3) | ||||
| Never | 340(73.8) | 121(26.2) | 270(88.8) | 34(11.2) | 365(92.2) | 31(7.8) | ||||
| Missing | 2(100.0) | 0(0.0) | 1(100.0) | 0(0.0) | ||||||
| Monthly Alcohol | 0.007 | 0.17 | 0.44 | 0.02 | ||||||
| 0 drinks | 160(79.2) | 42(20.8) | 122(90.4) | 13(9.6) | 98(87.5) | 14(12.5) | ||||
| 1 – 30 drinks | 234(73.6) | 84(26.4) | 322(87.7) | 45(12.3) | 264(91.3) | 25(8.7) | ||||
| 31+ drinks | 114(64.8) | 62(35.2) | 112(83.0) | 23(17.0) | 205(91.5) | 19(8.5) | ||||
| Missing | 23(65.7) | 12(34.3) | 25(89.3) | 3(10.7) | 9(100.0) | 0(0.0) | ||||
| Sexual History | <.0001 | <.0001 | <.0001 | <.0001 | ||||||
| MSW | 306(91.6) | 28(8.4) | 465(91.5) | 43(8.5) | 460(95.4) | 22(4.6) | ||||
| MSM | 32(34.4) | 61(65.6) | 4(25.0) | 12(75.0) | 12(57.1) | 9(42.9) | ||||
| MSMW | 123(55.2) | 100(44.8) | 51(71.8) | 20(28.2) | 43(67.2) | 21(32.8) | ||||
| Virgins | 30(85.7) | 5(14.3) | 34(89.5) | 4(10.5) | 36(94.7) | 2(5.3) | ||||
| Missing | 40(87.0) | 6(13.0) | 27(84.4) | 5(15.6) | 25(86.2) | 4(13.8) | ||||
| Circumcised | 0.14 | 0.76 | 0.48 | 0.59 | ||||||
| No | 452(73.7) | 161(26.3) | 482(87.2) | 71(12.8) | 105(89.0) | 13(11.0) | ||||
| Yes | 79(66.9) | 39(33.1) | 99(88.4) | 13(11.6) | 471(91.3) | 45(8.7) | ||||
| Lifetime # of Female Partners | <.0001 | 0.18 | 0.34 | <.0001 | ||||||
| 0–1 | 85(53.8) | 73(46.2) | 85(81.7) | 19(18.3) | 106(86.2) | 17(13.8) | ||||
| 2–9 | 142(72.1) | 55(27.9) | 324(89.8) | 37(10.2) | 216(91.9) | 19(8.1) | ||||
| 10–49 | 212(81.9) | 47(18.1) | 137(87.3) | 20(12.7) | 192(92.8) | 15(7.2) | ||||
| 50+ | 43(81.1) | 10(18.9) | 9(81.8) | 2(18.2) | 46(90.2) | 5(9.8) | ||||
| Refused | 49(76.6) | 15(23.4) | 26(81.3) | 6(18.8) | 16(88.9) | 2(11.1) | ||||
| Lifetime # of Male Anal Sex Partners | <.0001 | <.0001 | <.0001 | <.0001 | ||||||
| 0 | 387(89.6) | 45(10.4) | 533(91.1) | 52(8.9) | 528(94.5) | 31(5.5) | ||||
| 1–9 | 91(59.1) | 63(40.9) | 42(67.7) | 20(32.3) | 36(72.0) | 14(28.0) | ||||
| 10+ | 38(33.6) | 75(66.4) | 2(16.7) | 10(83.3) | 4(26.7) | 11(73.3) | ||||
| Missing | 15(46.9) | 17(53.1) | 4(66.7) | 2(33.3) | 8(80.0) | 2(20.0) | ||||
Abbreviations: MSW: Men who have sex with only women; MSM: Men who have sex with only men; MSMW: men who have sex with men and women; Virgins: reported no sexual contact with male or female
P values were calculated using Monte Carlo estimation of exact Pearson chi-square tests comparing characteristics of men with and without HPV within each country. Missing values were not included in p value calculations.
Global p values were calculated using the Wald chi-square tests comparing the characteristics of men with and without HPV across the three countries. Missing values were not included in p value calculations.