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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