Effectiveness and durability of Interceptor® long-lasting insecticidal nets in a malaria endemic area of central India

Table 4 Results of questionnaire based survey of households on net usage pattern and washing behaviour at different intervals after Interceptor LN distribution

Parameters	Months of observations*
	18 months		24 months		30 months		36 months
	No.	%	No.	%	No.	%	No.	%
i) Net usage
- year round and every night	26	26.8	30	30.9	32	33.0	199	27.2
- year round but occasionally	15	15.5	15	15.5	23	23.7	58	8.0
- seasonally** but every night	35	36.1	39	40.2	32	33.0	299	40.9
-seasonally** but occasionally	21	21.6	13	13.4	10	10.3	175	23.9
ii) Proportion of nets washed
- washed nets	89	91.8	92	94.8	89	91.8	699	95.6

*About 10% households were visited in surveys carried out after 18, 24 and 30 months of follow up while after 36 months all households were surveyed.
**Season of perceived mosquito nuisance and net usage (generally post monsoon months).

ISSN: 1475-2875