Table 3.

Data from surveys of nets still in houses and/or brought for re-treatment and % still intact in lowland (c.200 m) and highland (c.1000 m) villages where 70 denier nets had been provided free of charge for every bed several years before the surveys, and where re-treatment is provided annually

	Lowland			Highland
	Nos. of years after nets were provided:-
	3–4	5–6	6–7	2	4–5
Nos. of nets originally provided to surveyed house-holds (no. villages)	5238 (6)	5976 (8)	5493 (8)	5023 (10)	4842 (9)
% observed still in houses &/or brought for the annual re-treatment	91.3%	70.6%	59.6%	89.2%	91.7%
% of nets intact*	56.5%	32.8%	38.4%	98.3%	84.8%

*by definition of Maxwell et al [10]