Table 4

Prevented fraction (PF) of HIV after the introduction of the different intervention strategies in the high prevalence scenario in 1993

	Start of intervention 1993; PF (time interval (years)) (%) PF (1) PF (10)
Interventions	Low risk group	High risk group	Overall
CSW, commercial sex worker; Gc, gonorrhoea; high risk group, CSW and frequent clients of CSW.
B: SIDA1/2
Female	9	46	10
	24	60	24
Male	5	40	11
	19	58	20
C1: Extra 20% condom use between CSW and clients
Female	9	44	9
	22	56	22
Male	4	24	11
	17	36	19
E: Gc eradication
Female	30	72	31
	38	71	38
Male	19	50	29
	32	53	33
S2: Screening CSW every month + clients every 2 months
Female	19	57	20
	36	69	36
Male	11	35	19
	30	50	31
C2: Extra 50% condom use between CSW and clients
Female	19	78	20
	39	86	40
Male	10	47	23
	33	60	36
C4: C1+ extra 30% condom use between clients and low risk women
Female	36	47	36
	49	63	48
Male	10	40	20
	33	57	36
CS: C1+ screening of CSW every 2 months
Female	14	59	15
	35	75	35
Male	8	33	17
	29	52	33