Table 1. Background characteristics, reported sexual behaviour and HIV prevalence at the 21-month visit.

	Control	Intervention*	All participants tested (control + intervention)	Participants not tested for CT, NG and TV†
	n = 881	n = 886 (p value)	n = 1767*	n = 1188 (p value)
Background characteristics
Ethnic group
Sotho	53.0%	54.0% (0.012)	53.5%	40.6% (<0.001)
Zulu	33.52%	28.3%	30.9%	42.3%
Other	13.5%	17.7%	15.6%	17.1%
<21 years old	33.3%	29.1% (0.065)	31.2%	32.9% (0.33)
Primary level of education completed	98.9%	98.0% (0.18)	98.4%	98.1% (0.48)
Married or living as married§	4.7%	5.7% (0.45)	5.2%	7.1% (0.061)
Reported sexual behaviour
Mean (median) number of lifetime sex partners	4.2 (4.0)	4.4 (4.0) (0.55)	4.3 (4.0)	4.8 (4.0) (<0.001)
Mean (median) number of non-spousal sex partners‡	0.88 (1.0)	0.94 (1.0) (0.48)	0.91 (1.0)	0.87 (1.0) (0.73)
Mean (median) number of sex acts‡	7.4 (2.0)	9.0 (3.0) (0.045)	8.2 (3.0)	7.0 (3.0) (0.65)
Consistent condom use with non-spousal sex partners‡¶	23.4%	24.6% (0.70)	24.1%	5.2% (<0.001)
HIV prevalence
HIV positive	7.1%	4.5% (0.025)	5.8%	8.0% (0.02)

*The p value corresponds to the comparison of the control and intervention group; †the p value corresponds to the comparison of those tested for Neisseria gonorrhoeae (NG), Chlamydia trachomatis (CT) and Trichomonas vaginalis (TV) with those not tested; ‡during the past 12 months; §at some time during the past 12 months; ¶among those having had sexual intercourse during the past 12 months.