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Table 2 Multiple regression analysis for factors determining the density of Anopheles spp. larvae

From: Identification and characterization of Anopheles spp. breeding habitats in the Korhogo area in northern Côte d’Ivoire: a study prior to a Bti-based larviciding intervention

Factor Levels Rate ratio 95% CI P-value
Habitat type Rice paddies 1   0.4815
Irrigation canals and drains 1.17 0.81–1.69 0.4088
Dams, ponds and puddles 1.51 1.18–1.94 0.0010***
Edges of rivers and streams 1.02 0.74–1.42 0.8935
Animal/human footprints 1.43 0.93–2.19 0.1059
Others 1.47 0.70–3.10 0.3068
General surroundings High-density housing 1   
Low-density housing 4.81 1.84–12.60 0.0014**
Green areas 3.96 1.92–8.16 0.0002***
Water turbidity Transparent 1   
Turbid 1.42 1.15–1.76 0.0012**
Sunlight Sunny 1   
Shaded 0.51 0.31–0.86 0.0110*
  1. *P < 0.05, **P < 0.01, ***P < 0.001