Table 1.

Participant characteristics^*

	Couples with HIV-1 uninfected men		Couples with HIV-1 uninfected women
	HIV-1 uninfected men	HIV-1 infected women	HIV-1 uninfected women	HIV-1 infected men
Eligible to participate	379	377	112	111
Enrolled prior to July 2011 (N, % of eligible)**	285 (75.2%)	312 (82.8%)	82 (73.2%)	93 (83.8%)
Months since enrollment in Partners PrEP Study (median, IQR)	21 (15 – 27)	21 (15 – 27)	21 (12 – 24)	21 (15 – 27)
Still a couple with study partner (N, %)	243 (85.3%)	253 (82.1%)	67 (81.7%)	72 (80.0%)
Age, years (median, IQR)	34.5 (29.8 – 40.8) :	29.5 (25.1 – 34.4)	33.0 (27.1 – 39.8)	38.2 (34.2 – 44.6)
Children with study partner (median, IQR)	2 (0 – 3)		2 (0 – 3)
Partnership duration, years (median, IQR)	4.4 (1.8 – 9.9)		10.0 (4.2 – 19.7)
On ART at the time of data collection (N, %)		59 (18.9)		24 (25.8)
Not on ART and not eligible for ART*** (N, %)		203 (65.1)		54 (58.1)

^*Couples were offered enrollment separately – 323 couples (250 with HIV-1 uninfected men and 73 with HIV-1 uninfected women) had participation from both members.

^**Data analysis included only couples who enrolled prior to the placebo arm discontinuation of the Partners PrEP Study in July 2011.

^***Under current Kenyan ART guidelines.