Table 3. HIV incidence by self-reported GUD and HSV-2 status and study arm.

	Intervention		Control
HSV-2 Status at Enrollment	HIV Cases/py	HIV Incidence/100 py	HIV Cases/py	HIV Incidence/100 py	IRR Intervention/Control (95% CI)
All	36/4,825.5	0.78	69/4,846.0	1.44	0.54 (0.35–0.78)
GUD symptoms	5/173	2.89	16/303.5	5.27	0.55 (0.20–1.50)
No GUD	31/4,652.5	0.70	53/4,542.5	1.18	0.57 (0.37–0.89)
HSV-2 positive
All	21/1,392	1.51	23/1,358.5	1.69	0.89 (0.49–1.60)
GUD symptoms	3/74	4.1	5/117.5	4.26	0.92 (0.15–4.90)
No GUD	18/1,318	1.37	18/1,241	1.45	0.94 (0.49–1.81)
HSV-2 indeterminate
All	3/501	0.60	14/519	2.70	0.22 (0.04–0.80)
GUD symptoms	1/25	4.00	3/44	6.82	0.59 (0.01–7.31)
No GUD	2/476	0.83	11/475	2.32	0.18 (0.02–0.83)
HSV-2 seroconverters
All	5/221	2.26	12/296.5	4.05	0.56 (0.19–1.57)
GUD symptoms	1/15.5	6.45	4/40.5	9.88	0.65 (0.01–6.60)
No GUD	4/205.5	1.95	8/256	3.13	0.62 (0.14–2.32)
HSV-2 negative
All	7/2,711.5	0.26	20/2,672	0.77	0.34 (0.15–0.81)
GUD symptoms	0/58.5	0	4/101.5	3.94	0.0 (0.0–2.63)
No GUD	7/2,653	0.26	16/2,570.5	0.64	0.42 (0.17–1.03)

95% CI based on an exact test when cell size was <5 observations.