Table 5 Adjusted negative binomial regression predicting the outcome of total Anopheles mosquitoes collected during entomological surveillance.

From: Leveraging risk maps of malaria vector abundance to guide control efforts reduces malaria incidence in Eastern Province, Zambia

Factor

Categorization

IRR (95% CI)

p-value

Trial arm

Geographically-concentrated

Reference

Reference

 

Health facility-targeted

1.020 (0.519–2.006)

0.954

 

Ecological-targeted

1.915 (1.053–3.485)

0.033

IRS

No IRS in village

Reference

Reference

 

IRS in village

0.729 (0.581–0.913)

0.006

Type of eaves

Closed

Reference

Reference

 

Open

1.700 (1.375–2.103)

<0.001

ITN

None

Reference

Reference

 

At least 1 hanging

0.923 (0.638–1.334)

0.669

Type of collection

Light trap

Reference

Reference

 

Prokopack

0.197 (0.146–0.267)

<0.001

NDVI lagged 1 month

Continuous

0.355 (0.171–0.735)

0.005

Precipitation lagged 1 month

Continuous

1.001 (0.997–1.005)

0.764

Nighttime light

Continuous

0.655 (0.155–2.774)

0.566

Altitude

Continuous

1.000 (0.999–1.001)

0.521

Month

December

Reference

Reference

 

January

1.825 (1.105–3.014)

<0.001

 

February

2.544 (1.719–3.765)

<0.001

 

March

4.409 (2.640–7.362)

<0.001

 

April

7.373 (4.905–11.083)

<0.001

  1. N = 25 sites, 863 houses.