Table 1 HIV prevalence estimates from population-based surveys and from EPP curves fitted to antenatal clinic (ANC) data

Region	Country	Year of survey	Type of survey	National adult HIV prevalence	Urban				Rural
Region	Country	Year of survey	Type of survey	National adult HIV prevalence	Survey HIV prev	ANC based HIV prev	Ratio survey: ANC	Probit diff	Survey HIV prev	ANC based HIV prev	Ratio survey: ANC	Probit diff
Southern Africa	Lesotho	2004	DHS	23.5	29.1	32.3	0.901	−0.091	21.9	24.3	0.901	−0.079
Southern Africa	Malawi	2004	DHS	12.7	18.3	18.4	0.995	−0.004	11.3	12.8	0.883	−0.075
Southern Africa	Zambia	2002	DHS	15.6	23.1	26.3	0.878	−0.101	10.8	12.7	0.850	−0.097
Southern Africa	Zimbabwe	2005	DHS	18.1	18.9	21.9	0.863	−0.106	17.6	18.8	0.936	−0.045
East Africa	Burundi	2002	Household survey23	3.6	9.4	11.8	0.797	−0.131	2.5	2.5	1.000	0.000
East Africa	Ethiopia	2005	DHS	1.6	5.6	10.5	0.533	−0.336	0.7	1.9	0.368	−0.382
East Africa	Kenya	2003	DHS	6.7	10.0	11.0	0.909	−0.055	5.6	8.6	0.651	−0.224
East Africa	Rwanda	2004	DHS	3.0	7.3	5.9	1.237	0.109	2.2	2.7	0.815	−0.087
East Africa	Tanzania	2004	AIS	7.0	10.9	11.2	0.973	−0.016	5.3	5.5	0.964	−0.018
East Africa	Uganda	2004	Sero-behavioural survey24	6.4	10.1	9.2	1.098	0.053	5.7	4.3	1.326	0.136
West/Central Africa	Benin	2006	DHS	1.2	1.7	1.9	0.895	−0.045	0.9	1.2	0.750	−0.109
West/Central Africa	Burkina Faso	2003	DHS	1.8	3.6	3.9	0.923	−0.037	1.3	1.6	0.813	−0.082
West/Central Africa	Cameroon	2004	DHS	5.5	6.7	8.3	0.807	−0.113	4.0	6.8	0.588	−0.260
West/Central Africa	Central African Republic	2006	DHS	6.2	8.3	13.4	0.619	−0.277	4.7	15.4	0.305	−0.655
West/Central Africa	Chad	2005	Household survey25	3.3	7.0	4.9	1.429	0.179	2.3	2.8	0.821	−0.084
West/Central Africa	Cote d’Ivoire	2005	AIS	4.7	5.4	6.7	0.806	−0.109	4.1	4.6	0.891	−0.054
West/Central Africa	Equatorial Guinea	2004	Household survey26	3.2	3.3	3.1	1.065	0.028	3.1
West/Central Africa	Ghana	2003	DHS	2.2	2.3	3.5	0.657	−0.183	2.0	3.3	0.606	−0.215
West/Central Africa	Guinea	2005	DHS	1.5	2.4	5.0	0.485	−0.328	1.0	3.2	0.313	−0.474
West/Central Africa	Liberia	2007	DHS	1.5	2.5	4.8	0.521	−0.295	0.8
West/Central Africa	Mali	2001	DHS	1.7	2.2	3.6	0.611	−0.215	1.5	2.6	0.577	−0.227
West/Central Africa	Niger	2002	Household survey27	0.9	2.1	2.5	0.840	−0.074	0.6	1.3	0.462	−0.286
West/Central Africa	Senegal	2005	DHS	0.7	0.7	1.5	0.467	−0.287	0.7	1.4	0.500	−0.260
West/Central Africa	Sierra Leone	2005	Household survey28	1.5	2.1	4.2	0.500	−0.306	1.3
Caribbean	Dominican Republic	2002	DHS	1.0	0.9	2.0	0.462	−0.301	1.2
Caribbean	Haiti	2005	DHS	2.2	2.3	5.1	0.451	−0.360	2.0	2.3	0.870	−0.058
	Median						0.824	−0.107			0.814	−0.092
	Mean						0.797	−0.131			0.736	−0.165
	SEM						0.050	0.030			0.054	0.038
	SD						0.257	0.148			0.252	0.175