Table 1 Entry rate of mosquitoes determined by pyrethrum spray collections in rooms with Interceptor LNs, untreated nets and no net
Mosquito species | No. of rooms | Interceptor | Untreated net | No net | ANOVA | Chi-square | |||
|---|---|---|---|---|---|---|---|---|---|
Females / room | % blood fed | Females / room | % blood fed | Females / room | % blood fed | Females/ room | Blood fed | ||
Pre-intervention (Sep-Nov 2006) | |||||||||
An. culicifacies | 8 | 3.5 | 28.5 | 2.4 | 31.5 | 4 | 40.1 | F2,9 = 0.35; P = 0.708 | χ2= 1.4; p=0.55 |
Other anophelines | 8 | 7.3 | 24.1 | 4.4 | 51.4 | 7.5 | 40 | F2,9 = 0.40; P = 0.68 | χ2= 7.24; p=0.02 |
Culicines | 8 | 8 | 43.7 | 6 | 41.6 | 22.5 | 38.3 | F2,9 = 0.63; p = 0.55 | χ2 = 0.638; p=0.72 |
Intervention (Dec 2006-Aug 2007) | |||||||||
An. culicifacies | 36 | 2.9 | 9.6 | 8.5 | 22.4 | 22.9 | 26.6 | F2,51 = 11.5; p = 0.0003 | χ2= 15.8; p<0.0001 |
Other anophelines | 36 | 26.5 | 5.5 | 123.3 | 21 | 199.3 | 28.1 | F2,51 = 2; p = 0.144 | χ2 =266; p=0.0001 |
Culicines | 36 | 8.3 | 28.2 | 23 | 59.1 | 16.1 | 48 | F2,51 = 3.42; p = 0.04 | χ2 = 49.3; p=0.0001 |