Table 1 Insecticide bio-assay results for Anopheles gambiae s.l. in 2008 and 2010 in four sentinel sites in Burkina Faso (data from the two rounds in each year have been pooled for this analysis)

DDT

Goundry

85 (79 – 91)

45 (37 – 52)

<0.001

Koupela

83 (77 – 88)

43 (34 – 52)

<0.001

Kuinima

16 (5 – 27)

31 (21 – 40)

1

Soumousso

32 (21 – 44)

34 (25 – 44)

0.620

P value (between sites)

<0.001

0.001

Permethrin

Goundry

80 (74–85)

68 (57 – 79)

0.003

Koupela

78 (72 – 84)

60 (47 – 73)

<0.001

Kuinima

48 (27 – 69)

54 (42 – 66)

0.879

Soumousso

55 (48 – 62)

54 (44 – 63)

0.464

P value (between sites)

<0.001

0.013

Deltamethrin

Goundry

89 (85 – 93)

86 (78 – 94)

0.180

Koupela

92 (87 – 96)

78 (71 – 84)

<0.001

Kuinima

88 (77 – 98)

86 (75 – 97)

0.287

Soumousso

77 (66 – 87)

84 (76 – 91)

0.967

P value (between sites)

<0.001

0.056

Bendiocarb

Goundry

99 (98 – 100)

95 (92 – 99)

0.010

Koupela

99 (97 – 101)

95 (91 – 99)

0.027

Kuinima

77 (64 – 90)

80 (73 – 87)

0.776

Soumousso

69 (60 – 78)

78 (72 – 85)

0.989

P value (between sites)

<0.001

<0.001

Fenitrothion

Goundry

100 ( − )

99 (97 – 100)

0.248

Koupela

100 ( − )

99 (98 – 100)

0.499

Kuinima

93 (89 – 98)

95 (92 – 98)

0.402

Soumousso

87 (79 – 94)

96 (94 – 99)

0.001

P value (between sites)

<0.001

0.050