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Table 4 Between treatment differences in estimated time for mortality to fall to 80 and 50% for mosquitoes tested on insecticide-treated substrates

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

  Substrate

  Treatment comparison

Difference in estimated time to 80% mortality

Difference in estimated time to 50% mortality

Time months

95% CI

p

Time months

95% CI

p

Anopheles arabiensis dondotha

Mud

CS B vs EC

3.9

(3.1 to 4.6)

<0.05

5.6

(3.0 to 12.9)

<0.05

CS BM vs EC

3.5

(2.6 to 4.3)

<0.05

4.2

(2.0 to 5.4)

<0.05

CS B vs CS BM

0.4

(-0.4 to 1.3)

n/s

1.3

(-0.7 to 11.7)

n/s

Concrete

CS B vs EC

4.1

(3.6 to 4.7)

<0.05

4.1

(3.7 to 4.6)

<0.05

CS BM vs EC

2.6

(1.9 to 3.4)

<0.05

3.4

(2.8 to 4.0)

<0.05

CS B vs CS BM

1.5

(0.8 to 2.2)

<0.05

0.7

(0.1 to 1.3)

<0.05

Culex quinquefasciatus TPRI

Mud

CS B vs EC

4.4

(3.4 to 5.8)

<0.05

CS BM vs EC

5.6

(4.8 to 6.3)

<0.05

7.5

(6.4 to 8.9)

<0.05

Lambda vs EC

1.2

(0.6 to 1.7)

<0.05

1.6

(1.0 to 2.1)

<0.05

CS B vs Lambda

3.2

(2.2 to 4.6)

<0.05

CS BM vs Lambda

4.4

(3.8 to 5.2)

<0.05

6.0

(4.9 to 7.4)

<0.05

CS B vs CS BM

-1.2

(-2.4 to 0.4)

n/s

Concrete

CS B vs EC

7.4

(6.7 to 8.4)

<0.05

8.4

(7.5 to 9.4)

<0.05

CS BM vs EC

6.0

(-0.2 to 6.4)

n/s

7.2

(6.7 to 7.8)

<0.05

Lambda vs EC

4.2

(3.8 to 4.5)

<0.05

4.6

(4.3 to 4.9)

<0.05

CS B vs Lambda

3.2

(2.4 to 4.3)

<0.05

3.8

(2.9 to 4.8)

<0.05

CS BM vs Lambda

1.8

(-4.4 to 2.4)

n/s

2.7

(2.1 to 3.3)

<0.05

CS B vs CS BM

1.4

(0.5 to 7.5)

<0.05

1.2

(0.2 to 2.2)

<0.05

Culex quinquefasciatus Muheza

Mud

CS B vs EC

3.2

(2.7 to 3.9)

<0.05

5.8

(4.2 to 9.8)

<0.05

CS BM vs EC

3.0

(2.5 to 3.6)

<0.05

5.1

(4.4 to 6.2)

<0.05

Lambda vs EC

-0.3

(-0.9 to 0.3)

n/s

CS B vs Lambda

6.1

(4.2 to 10.2)

<0.05

CS BM vs Lambda

5.5

(4.6 to 6.6)

<0.05

CS B vs CS BM

0.2

(-0.5 to 0.9)

n/s

0.7

(-1.2 to 4.6)

n/s

Concrete

CS B vs EC

3.9

(3.0 to 4.6)

<0.05

5.2

(4.2 to 6.0)

<0.05

CS BM vs EC

3.3

(2.9 to 3.7)

<0.05

4.3

(3.7 to 4.8)

<0.05

Lambda vs EC

0.1

(-0.3 to 0.5)

n/s

0.4

(-0.1 to 0.9)

n/s

CS B vs Lambda

3.8

(3.0 to 4.6)

<0.05

4.7

(3.9 to 5.8)

<0.05

CS BM vs Lambda

3.2

(2.8 to 3.7)

<0.05

3.9

(3.3 to 4.4)

<0.05

CS B vs CS BM

0.6

(-0.2 to 1.4)

n/s

0.8

(0.0 to 1.9)

n/s

  1. †Indicates that statistical models produced estimates outside the study period for one or more of the treatments or their 95% CI and treatment differences cannot therefore be estimated.