| All n (%) | HIV seroconversion | χ 2 | P value | |
---|---|---|---|---|---|
Yes n (%) | No n (%) | ||||
Number of sexual partners | 8.72 | 0.01 | |||
 0–1 | 1217 (62.8) | 17 (45.9) | 1200 (63.2) |  |  |
 2–5 | 603 (31.1) | 14 (37.9) | 589 (31.0) |  |  |
 ≥ 6 | 117 (6.0) | 6 (16.2) | 111 (5.8) |  |  |
HIV-positive partners | 8.12 | 0.02 | |||
 None | 915 (47.2) | 10 (27.0) | 905 (47.6) |  |  |
 Yes | 87 (4.5) | 4 (10.8) | 83 (4.4) |  |  |
 Not sure | 935 (48.3) | 23 (62.2) | 912 (48.0) |  |  |
Anal sex | 1.37 | 0.24 | |||
 Yes | 1869 (96. 5) | 37 (100.0) | 1832 (96.4) |  |  |
 No | 68 (3.5) | 0 (0.0) | 68 (3.6) |  |  |
Using condom for anal sex | 11.79 | <0.01 | |||
 Never | 68 (3.6) | 3 (8.1) | 65 (3.6) |  |  |
 Sometimes | 601 (32.2) | 20 (54.1) | 581 (31.7) |  |  |
 Every time | 1200 (64.2) | 14 (37.8) | 1186 (64.7) |  |  |
Sex role for anal sex | 9.55 | 0.01 | |||
 Exclusively receptive | 215 (13.1) | 15 (40.5) | 497 (26.2) |  |  |
 Exclusively insertive | 723 (44.1) | 5 (13.5) | 718 (37.8) |  |  |
 Versatile | 702 (42.8) | 17 (46.0) | 685 (36.0) |  |  |
Group sex | 0.34 | 0.56 | |||
 Yes | 159 (8.2) | 4 (10.8) | 155 (6.9) |  |  |
 No | 1778 (91.8) | 33 (89.2) | 1745 (93.1) |  |  |
Heterosexual sex | 0.35 | 0.55 | |||
 Yes | 638 (51.6) | 10 (58.8) | 628 (51.6) |  |  |
 No | 597 (48.4) | 7 (41.2) | 590 (48.4) |  |  |
Using condom for heterosexual sex | 9.63 | 0.01 | |||
 Never | 83 (13.0) | 4 (40.0) | 79 (12.6) |  |  |
 Sometimes | 156 (24.5) | 4 (40.0) | 152 (24.2) |  |  |
 Every time | 399 (62.5) | 2 (20.0) | 397 (63.2) |  |  |
Diagnosed with a sexually transmitted infection | 4.88 | 0.03 | |||
 Yes | 75 (3.9) | 4 (10.8) | 71 (3.7) |  |  |
 No | 1862 (96.1) | 33 (89.2) | 1829 (96.3) |  |  |
Recreational drug use | 0.51 | 0.48 | |||
 Yes | 382 (19.7) | 9 (24.3) | 373 (19.6) |  |  |
 No | 1555 (80.3) | 28 (75.7) | 1527 (80.4) |  |  |