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Table 7 Multivariate negative binomial models of associations and interactions between Anopheles abundances, presence of small-scale agriculture, and urbanicity measures

From: Household-level and surrounding peri-domestic environmental characteristics associated with malaria vectors Anopheles arabiensis and Anopheles funestus along an urban–rural continuum in Blantyre, Malawi

 

An. arabiensis

An. funestus

95% CI

P value

95% CI

P value

Model 1c

 Agriculture

3.8 (2.3, 6.2)

< .0001

2.7 (1.7, 4.2)

< .0001

 Within city limits

0.1 (0, 0.2)

< .0001

0.02 (0.01, 0.05)

< .0001

 Agriculturea within city limits

3.4 (1.2, 9.6)

0.02

1.0 (0.4, 2.8)

1.00

Model 2c

 Agriculture

15.6 (5.4, 45.2)

< .0001

8.2 (2.9, 23.8)

< .0001

 Increasing distance

1.6 (1.4, 1.8)

< .0001

1.7 (1.5, 2.0)

< .0001

 Agriculturea increasing distance

0.8 (0.7, 1.0)

0.04

0.8 (0.7, 1.0)

0.07

Model 3c

 Agriculture

5.3 (2.7, 10.5)

<.0001

4.2 (2.0, 8.9)

0.0001

 Housing density

0.5 (0.3, 0.9)

0.02

0.3 (0.2, 0.6)

< 0.001

 Agriculturea house densitya

1.0 (0.5, 2.2)

0.91

0.8 (0.3, 2.0)

0.65

  1. Italic values indicate significance of p value (p < 0.05)
  2. aUnits are an additional 10 households within a 50 m radius of the sampled household