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Table 2 Description of the quantitative remotely-sensed explicative variables associated with the presence of ponds

From: Utilization of combined remote sensing techniques to detect environmental variables influencing malaria vector densities in rural West Africa

Variable   Water present Water absent
  n observations = 2460 n = 482 n = 1978
NDTI Range -0.25; -0.01 -0.26; 0.05
  Mean and 95% CI -0.14 [-0.15; -0.15] -0.10 [-0.10; -0.09]
  25-50-75 percentiles -0.20; -0.13; -0.10 -0.13; -0.09; -0.06
NDWI Mac Feeters Range -0.19; 0.42 -0.39; 0.11
  Mean and 95% CI 0.12 [0.11; 0.14] -0.17 [-0.18; -0.17]
  25-50-75 percentiles 0.03; 0.13; 0.25 -0.21; -0.17; -0.14
Elevation In meters Range 253; 292 253; 292
  Mean and 95% CI 266 [266; 267] 268 [268; 269]
  25-50-75 percentiles 262; 265; 267 261; 268; 274