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Table 4 Built-up area in 100- to 500-m radius buffers evaluated from 2007 SPOT image and associated with the 1994-97 anopheline aggressiveness.

From: Spatial heterogeneity and temporal evolution of malaria transmission risk in Dakar, Senegal, according to remotely sensed environmental data

  2007 SPOT-5 image
(2.5 m degraded to 20 m)
  Coefficient 95% IC p-value Adjusted R2
Built-up area in 100-m radius buffer (per Ha) -0.51 -0.73; -0.29 0.0001 0.49
Built-up area in 200-m radius buffer (per Ha) -0.13 -0.18; -0.07 0.0001 0.51
Built-up area in 300-m radius buffer (per Ha) -0.06 -0.07; -0.04 < 0.0001 0.57
Built-up area in 400-m radius buffer (per Ha) -0.03 -0.04; -0.02 0.0001 0.53
Built-up area in 500-m radius buffer (per Ha) -0.02 -0.02; -0.01 0.0004 0.44
  1. Univariate linear regression. Twenty-three observations. Anopheline aggressiveness is quare root transformed.