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Table 7 Estimated blood feeding (%) three, six, nine and twelve months after spraying for wild mosquitoes collected in insecticide treated huts

From: Long-lasting control of Anopheles arabiensis by a single spray application of micro-encapsulated pirimiphos-methyl (Actellic® 300 CS)

Insecticide

Substrate

3 months

6 months

9 months

12 months

  

Blood fed (%)

BFI (%)

Blood fed (%)

BFI (%)

Blood fed (%)

BFI (%)

Blood fed (%)

BFI (%)

  

(95% CI)

 

(95% CI)

 

(95% CI)

 

(95% CI)

 

Untreated control

Mud

90

-

81

57

93

  

(87 to 93)

 

(77 to 85)

 

(52 to 63)

 

(86 to 100)

 

P-methyl EC

Mud

69

24

52

36

33

43

67

29

  

(64 to 74)

 

(47 to 57)

 

(28 to 37)

 

(49 to 84)

 

P-methyl CS B

Concrete

71

22

49

40

32

44

84

9

  

(66 to 76)

 

(44 to 54)

 

(28 to 37)

 

(73 to 96)

 
 

Mud

66

26

50

39

31

46

47

49

  

(61 to 72)

 

(44 to 55)

 

(26 to 35)

 

(26 to 69)

 

P-methyl CS BM

Concrete

68

24

48

41

29

49

63

33

  

(63 to 73)

 

(43 to 53)

 

(25 to 33)

 

(45 to 81)

 
 

Mud

67

26

49

39

31

46

63

32

  

(61 to 72)

 

(44 to 54)

 

(27 to 35)

 

(44 to 82)

 
  1. Estimates are adjusted for sleeper and account for similarities among mosquitoes entering huts on the same day and potential behavioural clustering. BFI = blood-feeding inhibition compared to the untreated control.