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Table 3 Factors associated with the malaria vector counts in CDC light traps set indoors

From: Spatial–temporal vector abundance and malaria transmission dynamics in Nchelenge and Lake Mweru islands, a region with a high burden of malaria in northern Zambia

Covariate

An. funestus s.l

An. gambiae s.l

 

IRR/Predicted mean count

95% CI

p-value

IRR/Predicted mean count

95%CI

P-value

Season

Ref.

     

 Dry

      

 Rainy 1

0.189

0.115–0.311

 < 0.001*

0.77

0.365–1.627

0.494

 Rainy 2

0.069

0.038–0.124

 < 0.001*

1.868

0.858–4.065

0.404

Site

      

 Mainland

Ref.

     

 Chisenga Island

9.341

3.516–24.820

 < 0.001*

0.805

0.282–2.300

0.685

 Kilwa Island

0.877

0.329–2.335

0.793

4.573

1. 619–12.915

0.004*

Spatial abundance

     

 Chisenga Island

89.944

46.995–132.893

 < 0.001*

0.499

0.175–0.823

0.003*

 Kilwa Island

9.461

4.871–14.051

 < 0.001*

3.083

1.546–4.620

 < 0.001*

 Mainland

8.602

0.578–16.626

0.036*

0.639

0.061–1.217

0.030*

Seasonal abundance

     

 Dry

78.606

38.997–118.215

 < 0.001*

1.382

0.510–2.254

0.002*

 Rainy 1

16.613

8.244–24.983

 < 0.001*

0.818

0.378–1.258

 < 0.001*

 Rainy 2

4.869

1.815–7.923

0.002*

2.548

0.686–4.410

0.007*

  1. IRR  incidence rate ratio
  2. *Shows results were significant at 95% confidence level
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Malaria Journal

ISSN: 1475-2875

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