Age* (years)
| 0.437† | | 0.925† |
<25 | 6.97 | 1 | | 1 | |
25–34 | 6.89 | 1.02 (0.50 to 2.09) | | 1.10 (0.52 to 2.34) | |
35–44 | 5.00 | 0.75 (0.37 to 1.55) | | 0.84 (0.39 to 1.82) | |
45–54 | 5.15 | 0.79 (0.36 to 1.75) | | 0.99 (0.43 to 2.30) | |
>54 | 6.82 | 1.02 (0.41 to 2.59) | | 1.47 (0.56 to 3.86) | |
| | | | | |
Chlamydia contact
| 0.001‡ | | 0.001‡ |
No | 5.49 | 1 | | 1 | |
Yes | 17.11 | 3.03 (1.67 to 5.51) | | 2.70 (1.48 to 4.94) | |
| | | | | |
Number of casual partners in the past 6 months
| 0.001† | | 0.019† |
1 | 2.19 | 1 | | 1 | |
2–5 | 3.40 | 1.56 (0.54 to 4.51) | | 1 | |
6–10 | 6.00 | 2.80 (0.98 to 8.00) | | 1.48 (0.86 to 2.56) | |
11–50 | 7.47 | 3.48 (1.26 to 9.59) | | 1.55 (0.96 to 2.51) | |
>50 | 11.80 | 5.69 (1.95 to 16.59) | | 2.12 (1.16 to 3.90) | |
| | | | | |
Unprotected anal intercourse
|
According to position | | | 0.001‡ | | 0.001‡ |
No UAI | 4.01 | 1 | | 1 | |
Insertive only | 5.26 | 1.39 (0.80 to 2.41) | | 1.13 (0.65 to 1.99) | |
Receptive withdrawal | 12.82 | 3.24 (2.13 to 4.92) | | 2.62 (1.69 to 4.06) | |
Receptive to ejaculation | 14.64 | 3.66 (2.21 to 6.06) | | 2.98 (1.76 to 5.02) | |
| | | | | |
According to partner’s HIV status | 0.001† | | NA§ |
No UAI | 4.01 | 1 | | | |
Negative only | 7.47 | 1.97 (1.04 to 3.75) | | | |
Some HIV unknown | 9.97 | 2.52 (1.74 to 3.66) | | | |
Some HIV positive | 15.66 | 4.35 (2.16 to 8.77) | | | |
| | | | | |
Receptive fingering | | | 0.001† | | 0.562† |
Never | 3.61 | 1 | | 1 | |
Occasionally | 6.76 | 1.82 (1.18 to 2.81) | | 1.12 (0.71 to 1.79) | |
Often | 8.94 | 2.42 (1.41 to 4.15) | | 1.19 (0.65 to 2.18) | |
| | | | | |
Receptive fisting | | | 0.006† | | 0.280† |
Never | 5.60 | 1 | | 1 | |
Occasionally | 13.47 | 2.40 (1.29 to 4.47) | | 1.47 (0.78 to 2.77) | |
Often | 12.89 | 2.21 (0.31 to 15.97) | | 1.22 (0.17 to 8.96) | |
| | | | | |
Receptive rimming | | | 0.001† | | 0.004† |
Never | 2.32 | 1 | | 1 | |
Occasionally | 7.14 | 3.00 (1.76 to 5.12) | | 2.07 (1.19 to 3.61) | |
Often | 9.22 | 3.86 (2.10 to 7.11) | | 2.53 (1.35 to 4.76) | |
| | | | | |
Receptive of dildos | | | 0.064† | | 0.763† |
Never | 5.55 | 1 | | 1 | |
Occasionally | 7.57 | 1.37 (0.85 to 2.21) | | 0.82 (0.50 to 1.35) | |
Often | 14.11 | 2.42 (0.77 to 7.65) | | 1.53 (0.47 to 5.03) | |