Table 1.

Village information

Villagea	Coordinates	Housesb	Pairc	Near Villaged	Near Watere
Babobougou (T)	13 45N,7 04W	58	1	7	17
Boyila (T)	13 47N,7 20W	198	2	9	17
Sanafouka (C)	13 33N,7 10W	188	1	3	22
Bagadaji (C)	13 51N,7 06W	195	2	7	11

^a Treated villages (T) and control villages (C).

^b Number of houses in the village.

^c Pair number. The distance between treated and control village in each pair was 25 km.

^d Distance (km) to the nearest village.

^e Distance (km) to the nearest body of surface water which holds water after December.