Table 1 Knockdown times (KDTs) for Anopheles gambiae s.l. in urban Lagos after exposure to different insecticides

LGA

Study sites

n

KDT ₅₀ (95%CI)

KDT ₉₅ (95%CI)

n

KDT ₅₀ (95%CI)

KDT ₉₅ (95%CI)

n

KDT ₅₀ (95%CI)

KDT ₉₅ (95%CI)

Badagry

Badagry

82

a

a

80

31.31 (22.65-45.58)

96.21 (59.56-411.52)

60

a

a

Amuwo Odofin

Mile 2

60

a

a

60

46.03 (39.23-57.71)

124.36 (87.60-254.63)

60

a

a

Ifako Ijaiye

Isaga

63

a

a

60

53.20 (47.21-62.46)

171.11 (126.43-275.01)

60

a

a

Somolu

Bariga

b

b

88

39.49 (36.30-42.91)

59.82 (54.65-67.73)

87

59.90 (56.32-64.76)

91.88 (83.41-104.00)

Ikorodu

Ikorodu

80

12. (11.25-14.88)

19.78 (48.96-78.73)

93

49.54 (47.47-51.87)

73.84 (69.48-79.60)

83

42.52 (40.72-44.38)

62.21 (59.08-66.18)

Eti Osa

Ikoyi

80

b

b

85

48.13 (45.64-51.10)

88.32 (78.21-105.15)

84

42.97 (40.03-46.01)

60.80 (56.25-67.78)

Kosofe

Mile 12

80

b

b

100

50.99 (39.13-42.92)

67.96 (62.62-75.87)

80

38.93 (37.17-40.75)

58.84 (55.82-62.63)

Alimoso

Egbeda

111

a

a

90

38.40(35.99-41.10)

91.69 (80.17-109.19)

88

a

a

Ojoo

Iyana-Iba

86

a

a

97

50.47 (47.44-54.30)

106.63 (91.69-132.05)

89

38.40 (36.35-40.58)

75.66 (68.32-86.40)

Ojoo

Okokomaiko

80

c

c

87

41.32 (38.60-44.51)

101.62 (87.25-124.64)

94

46.03 (43.53-48.96)

92.55 (81.57-110.02)

Alimoso

Isheri-Ikotun

80

c

c

93

a

244.45 (170.49-438.37)

88

55.18 (46.38-97.48)

89.97 (66.69-83.99)

Total

802

933

873