Table 1.

Sociodemographic characteristics, tobacco use, and sexual behavior of HIM Study participants by country

BrazilMexicoUnited StatesTotal
(N = 475)(N = 591)(N = 614)(N = 1,680)
Sociodemographic characteristics
Age, y
 18–24a86 (18.1)85 (14.4)334 (54.4)505 (30.1)
 25–34171 (36.0)226 (38.2)112 (18.2)509 (30.3)
 35–44174 (36.6)159 (26.9)82 (13.4)415 (24.7)
 45–5434 (7.2)88 (14.9)47 (7.7)169 (10.1)
 55+10 (2.1)33 (5.6)39 (6.3)82 (4.8)
 Median33.034.024.031.0
Raceb
 White306 (64.4)37 (6.3)423 (68.9)766 (45.6)
 Black124 (26.1)2 (0.3)105 (17.1)231 (13.8)
 Other45 (9.5)552 (93.4)86 (14.0)683 (40.6)
Ethnicityc
 Hispanic104 (22.2)589 (99.8)88 (14.4)781 (46.8)
 Non-Hispanic364 (77.8)1 (0.2)523 (85.6)888 (53.2)
Marital statusd
 Single201 (42.5)128 (21.7)414 (67.6)743 (44.3)
 Married223 (47.0)431 (73.1)135 (22.1)789 (47.1)
 Divorced50 (10.5)31 (5.2)63 (10.3)144 (8.6)
Education, y
 <1274 (15.7)251 (42.6)16 (2.6)341 (20.4)
 12195 (41.3)145 (24.6)69 (11.2)409 (24.4)
 13–16177 (37.5)149 (25.3)468 (76.3)794 (47.4)
 17+26 (5.5)44 (7.5)61 (9.9)131 (7.8)
Tobacco
Tobacco use
 Never295 (62.5)269 (46.3)387 (66.2)951 (58.1)
 Former91 (19.3)138 (23.8)88 (15.0)317 (19.3)
 Current86 (18.2)174 (29.9)110 (18.8)370 (22.6)
Age at initiation of smoking, y
 <1540 (23.0)65 (20.8)61 (31.3)166 (24.4)
 15–1769 (39.7)150 (48.1)72 (36.9)291 (42.7)
 18+65 (37.4)97 (31.1)62 (31.8)224 (32.9)
Years of smoking
 Zero296 (63.0)270 (46.6)392 (67.1)958 (58.7)
 1–<1075 (16.0)152 (26.3)105 (18.0)332 (20.3)
 10+99 (21.0)157 (27.1)87 (14.9)343 (21.0)
Sexual behavior
Sexual behavior with women and/or men
 MSW373 (81.8)531 (95.5)560 (96.2)1,464 (91.8)
 MSM32 (7.0)8 (1.4)15 (2.6)55 (3.5)
 MSWM51 (11.2)17 (3.1)7 (1.2)75 (4.7)
Age at sexual debut, y
 Virgin13 (2.9)32 (5.9)27 (5.2)72 (4.8)
 9–14126 (28.4)71 (13.2)77 (15.2)274 (18.4)
 15–17190 (42.8)209 (38.8)236 (46.5)635 (42.6)
 18+115 (25.9)227 (42.1)168 (33.1)510 (34.2)
Lifetime number of female sexual partners
 0–152 (11.7)89 (16.2)99 (17.4)240 (15.4)
 2–9145 (32.5)296 (53.9)233 (41.0)674 (43.1)
 10+249 (55.8)164 (29.9)237 (41.6)650 (41.5)
Performed oral sexc
 Never24 (5.7)87 (16.4)21 (4.4)132 (9.2)
 Ever400 (94.3)443 (83.6)460 (95.6)1,303 (90.8)
Recently performed oral sexe
 No88 (20.1)219 (37.2)164 (28.3)471 (29.3)
 Yes350 (79.9)370 (62.8)416 (71.7)1,136 (70.7)
Number of times performed oral sex in the past 6 months
 0–1110 (25.9)248 (43.6)187 (33.6)545 (35.2)
 2–9134 (31.6)160 (28.1)137 (24.6)431 (27.8)
 10+180 (42.5)161 (28.3)233 (41.8)574 (37.0)
Insertive anal sexc
 Never99 (21.6)252 (47.6)311 (60.6)662 (44.1)
 Ever360 (78.4)277 (52.4)202 (39.4)839 (55.9)
Receptive anal sexc
 Never376 (82.5)492 (93.9)490 (95.5)1,358 (91.0)
 Ever80 (17.5)32 (6.1)23 (4.5)135 (9.0)

NOTE: The given values are represented as number (percentages).

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

  • aCategory contains one 17 year old.

  • bIn the race variable, the “other” category includes Asian, Pacific Islander, American Indian, and Mixed race individuals. In Mexico, most participants in our study self-identify as “Mestizo” which is typically considered a mix of European white and indigenous races.

  • cIndicates at least 10% of the data were missing.

  • dIn the marital status variable, the “married” category includes cohabiting and living together and “divorced” includes separated and widowed.

  • eFor variables indicating recent sexual activity, recent was defined as activity occurring over the past 6 months