Table 2:

VOICE Risk Score Applied to the Girl Power Dataset

Characteristics		New HIV infections (n=14)	PYs	IR (CI)	IRR (CI)	Score
Age
	Age ≤25	14	672	2.08 (1.23, 3.52)	NA	2
Marital status
	Married/cohabiting	2	140	1.43 (0.36, 5.72)	1	0
	Not married	12	530	2.26 (1.29, 3.99)	1.58 (0.35, 7.07)	2
Alcohol use
	No alcohol use	10	426	2.35 (1.26, 4.37)	1.44 (0.45, 4.58)	0
	Any alcohol use	4	245	1.63 (0.61, 4.35)	1	1
Curable STI (vaginal discharge, self-report)
	No	8	548	1.46 (0.73, 2.92)	1	0
	Yes	6	122	4.90 (2.20, 10.92)	3.36 (1.17, 9.68)	1
HSV-2 (genital ulcers, self-report)
	No	10	590	1.69 (0.91, 3.15)	1	0
	Yes	4	82	4.90 (1.84, 13.06)	2.89 (0.91, 9.22)	2
Partner providing economic support
	No	0	37	0		1
	Yes	14	634	2.21 (1.31, 3.73)	NA	0
Partner has other partners
	No	3	263	1.14 (0.37, 3.54)	1	0
	Possibly or yes	11	409	2.69 (1.49, 4.86)	2.35 (0.66, 8.44)	2

PYs: Person Years, IR: Incidence Rate, IRR: Incidence Rate Ratio, CI: Confidence Interval.