Table 1.

Socio-economic data of the region, where interviews took place in South Kivu province, DR Congo (data from CIALCA Baseline Survey, 2011, in press)

Groupement (center/research center)	Villages surveyed (no.)	Distance from Bukavu (km and direction)	Latitude	Longitude	Altitude (m asl)	Soil fertility	Population (no. inhabitants)a
Bugorhe (Kavumu)	4	31 N	2.30°S	28.82°E	1,700	Good	52,230
Miti (Mulungu)	2	25–27 N	2.19°S	28.47°E	1,700	Recent volcanic	18,683
Mudaka	6	21 N	2.38°S	28.78°E	1,650	Fair	34,452
Burhale	1	57 SW	2.70°S	28.63°E	1,650	Poor	37,047
Mumosho	1	20 S	2.37°S	28.52°E	1,650	Poor	28,903
Karhongo (Nyangezi)	4	30 S	2.88°S	27.03°E	1,650	Poor	39,784
Kamanyola	2	60 SE	2.01°S	29.01°E	900	Good	30,421

^aPopulation data 2007 from Rapport Annuel 2008 Administration du Territoire, Division Provinciale de l’Intérieur Sud-Kivu