Table 4

Stratified analysis of HIV status, condom use and non-intercourse receptive anal practices by RAI for incident anal HRHPV

Factors	RAI In the last 6 months	Factor outcome	N	PY	Incidence (per 100 PY)	HR	95% CI	P value
HIV status	No	Negative	60	3717.8	1.6	1	–	<0.001
	No	Positive	58	1993.9	2.9	2.27	1.44 to 3.58
	Yes	Negative	252	7172.1	3.5	1	–	0.009
	Yes	Positive	162	3378.6	4.8	1.45	1.10 to 1.91
Rimming	No	No	81	3550.1	2.3	1	–	0.077
	No	Yes	34	2047.2	1.7	0.63	0.38 to 1.05
	Yes	No	58	2088.5	2.8	1	–	0.006
	Yes	Yes	356	8562.2	4.2	1.63	1.15 to 2.31
Fingering	No	No	85	3817.3	2.3	1	–	0.374
	No	Yes	30	1780.0	1.7	0.77	0.43 to 1.38
	Yes	No	68	1876.9	3.6	1	–	0.847
	Yes	Yes	346	8673.8	4.0	1.03	0.74 to 1.44
Receptive use of toys	No	No	97	4916.1	2.0	1	–	0.262
	No	Yes	18	681.2	2.6	1.59	0.71 to 3.55
	Yes	No	236	6342.7	3.7	1	–	0.128
	Yes	Yes	178	4148.4	4.3	1.23	0.94 to 1.62
Non-intercourse receptive practices combined (rimming/fingering, toys)	No	No	71	3173.8	2.2	1	–	0.461
	No	Yes	47	2537.9	1.9	0.84	0.52 to 1.34
	Yes	No	29	809.8	3.6	1	–	0.585
	Yes	Yes	385	9740.9	4.0	1.12	0.74 to 1.71
Consistent condom use reported during RAI in the last 6 months	Yes	No	311	7701.6	4.0	1	–	0.837
		Yes	103	2849.1	3.6	0.97	0.72 to 1.30

HRHPV, high-risk human papillomavirus; PY, person-years; RAI, receptive anal intercourse.