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Table 3 Mean mosquito knockdown rate on wall types and spray type at 17 weeks bioassay in Shellie Mella, southwest Ethiopia

From: Wall-type and indoor residual spraying application quality affect the residual efficacy of indoor residual spray against wild malaria vector in southwest Ethiopia

Wall type

Spray type

N

Mean % knockdown

95% CI

SE

P-value

Painted

Standard

15

95.3a

86–100

4.5

0.37

Routine

15

82.7a

72.9–91

4.5

Smooth

Standard

15

82a

73.1–90.9

4.5

< 0.001

Routine

15

48.7b

39.8–57.7

4.5

Rough

Standard

12

67.5c

58–76.4

4.9

0.9

Routine

12

64.4b,c

52.7–76

4.9

  1. Change in letters between columns indicates statistically significant difference between wall and spray types