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Table 4 Results of a negative binomial regression model for all adult Anopheles mosquitoes as measured by pyrethrum spray catches

From: Efficacy of extended release formulations of Natular™ (spinosad) against larvae and adults of Anopheles mosquitoes in western Kenya

Parameter

Level

Estimate

LowerCL

UpperCL

Z-value

P-value

Intercept

 

0.78

0.59

1.04

− 1.71

0.087

Treatment

Intervention

0.69

0.43

1.11

− 1.54

0.123

Treatment

Control

Ref.

Ref.

Ref.

  

Period

Intervention

1.45

0.85

2.48

1.37

0.171

Period

Post-intervention

Ref.

Ref.

Ref.

  

Treatment*Period

Intervention*Intervention

0.51

0.28

0.94

− 2.17

0.030

Treatment*Period

Intervention*Post-intervention

Ref.

Ref.

Ref.

Ref.

Ref.

Treatment*Period

Control*Intervention

Ref.

Ref.

Ref.

Ref.

Ref.

Treatment*Period

Control*Post-intervention

Ref.

Ref.

Ref.

  

NetUse

All under nets

0.79

0.51

1.24

− 1.01

0.311

NetUse

Some under nets

1.24

0.69

2.23

0.73

0.466

NetUse

No one in house

Ref.

Ref.

Ref.

  

Eaves

Closed on all sides

0.07

0.01

0.38

− 3.08

0.002

Eaves

Closed on 1–3 sides

0.88

0.17

4.69

− 0.15

0.881

Eaves

Open

Ref.

Ref.

Ref.

  

Conditional effects based on interaction term

Treatment conditional on period

Intervention period

0.35

0.23

0.55

− 4.64

 < 0.001

Treatment conditional on period

Post-intervention period

0.69

0.43

1.11

− 1.54

0.123