TABLE 3—
Sexual Risk Behaviors Reported in the Past 60 Days in a Sample of Men Who Have Sex With Men: United States, 2008
| Variable | Total Samplea (n = 7158), No. (%) | Group x: One-on-Oneb Sex (n = 5038), No. (%) | Group y: 2–3 Partners per Encounterc (n = 1320), No. (%) | Group z: ≥ 4 Partners per Encounterd (n = 800), No. (%) | P | Post hoc Group Comparisonse |
| One-on-one sexual encounter data (past 60 d)f | ||||||
| Met partner(s) online | ||||||
| Yes | 5775 (81) | 3991 (79) | 1113 (85) | 671 (85) | <.001 | x < y, z |
| No | 1353 (19) | 1047 (21) | 191 (15) | 115 (15) | ||
| Sexual partner included main partner | ||||||
| Yes | 2955 (41) | 2218 (44) | 481 (36) | 256 (32) | <.001 | x > y > z |
| No | 4203 (59) | 2820 (56) | 839 (64) | 544 (68) | ||
| No. of one-on-one encounters | ||||||
| 1 (Ref) | 1088 (15) | 963 (19) | 90 (7) | 35 (4) | ||
| 2 | 1530 (21) | 1327 (26) | 141 (11) | 62 (8) | x > y, z | |
| 3 | 4510 (63) | 2748 (55) | 1073 (82) | 689 (88) | <.001 | x < y < z |
| Any anal sex | ||||||
| Yes | 5472 (76) | 3439 (68) | 1268 (96) | 765 (96) | <.001 | x < y, z |
| x < y, z No | 1686 (24) | 1599 (32) | 52 (4) | 35 (4) | ||
| Any CAS | ||||||
| Yes | 3975 (73) | 2396 (70) | 942 (74) | 637 (83) | <.001 | x < y < z |
| No | 1497 (27) | 1043 (30) | 326 (26) | 128 (17) | ||
| Any serodiscordant CAS | ||||||
| Yes | 1527 (28) | 852 (25) | 363 (29) | 312 (41) | <.001 | x < y < z |
| No | 3908 (72) | 2568 (75) | 895 (71) | 445 (59) | ||
| Alcohol before sex | ||||||
| Yes | 2701 (38) | 1898 (38) | 511 (39) | 292 (37) | .51 | – |
| No | 4423 (62) | 3139 (62) | 790 (61) | 494 (63) | ||
| Drugs before sex | ||||||
| Yes | 1255 (18) | 694 (14) | 296 (23) | 265 (34) | <.001 | x < y < z |
| No | 5867 (82) | 4342 (86) | 1005 (77) | 520 (66) | ||
| Group-sex encounter data (past 60 d)g | ||||||
| Organized online | ||||||
| Yes | 890 (42) | – | 466 (35) | 424 (53) | <.001 | |
| No | 1230 (58) | – | 854 (65) | 376 (47) | ||
| Sexual partner(s) included main partner | ||||||
| Yes | 357 (17) | – | 241 (18) | 116 (15) | <.05 | |
| No | 1763 (83) | – | 1079 (82) | 684 (85) | ||
| Any anal sex | ||||||
| Yes | 2059 (99) | – | 1291 (99) | 768 (99) | .07 | |
| No | 11 (1) | – | 4 (1) | 7 (1) | ||
| Any CAS | ||||||
| Yes | 1159 (56) | – | 651 (50) | 508 (65) | <.001 | |
| No | 925 (44) | – | 653 (50) | 272 (35) | ||
| Any serodiscordant CAS | ||||||
| Yes | 821 (40) | – | 387 (30) | 434 (56) | <.001 | |
| No | 1251 (60) | – | 911 (70) | 340 (44) | ||
| Alcohol before sex | ||||||
| Yes | 296 (14) | – | 161 (12) | 135 (17) | <.001 | |
| No | 1787 (86) | – | 1142 (88) | 645 (83) | ||
| Drugs before sex | ||||||
| Yes | 256 (12) | – | 111 (9) | 145 (19) | <.001 | |
| No | 1825 (88) | – | 1192 (91) | 633 (81) | ||
Note. CAS = condomless anal sex, which was defined as “any” insertive or receptive anal sex without a condom; serodiscordant CAS = CAS with serodiscordant or unknown-HIV-status partners.
Totals may differ because of missing cases.
Up to 3 one-on-one encounters with sexual partners, past 60 days.
Sex with 2–3 sexual partners in an encounter, past 60 days.
Sex with 4 or more sexual partners in an encounter, past 60 days.
Post hoc comparisons were made by using partial χ2 and logistic regression. Significant comparisons are shown with a “<” symbol. If differences were not significant, a comma was used. Dashes indicate no significant differences.
All respondents were asked about one-on-one sexual encounters in the past 60 days.
Men who reported 2 or more sexual partners in the past 60 days were asked about group-sex encounters.