H condom, past 3 months Yes No Insertive anal intercourse with no condom, past 3 months Yes No Receptive anal intercourse with condom, past 3 months Yes No Receptive anal intercourse with no condom, past 3 months Yes No 671 (50) 676 (50) 617 (46) 730 (54) 802 (60) 545 (40) 681 (51) 666 (49)cEvents/PY 125/Incidence density 5.Unadjusted HRb (95 CI)Adjusted HR (95 CI) P-value0.02 809 (60) 271 (20)