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Table 4 Effect of different spatial repellent coverage scenarios on proportion of fed mosquitoes feeding on humans of main malaria vectors

From: A crossover study to evaluate the diversion of malaria vectors in a community with incomplete coverage of spatial repellents in the Kilombero Valley, Tanzania

  HBI OR 95 % CI-OR P-value
Anopheles arabiensis
 No coverage 0.20 (46/233) 1
 Complete coverage 0.26 (50/191) 1.21 0.76–1.91 0.43
 Incomplete coverage: repellent users 0.23 (78/335) 1.15 0.76–1.75 0.50
 Incomplete coverage: repellent non-users 0.30 (40/115) 1.71 1.04–2.83 0.03
Anopheles funestus
 No coverage 0.71 (65/91) 1
 Complete coverage 0.66 (123/186) 0.93 0.63–1.37 0.70
 Incomplete coverage: repellent users 0.70 (168/240) 0.98 0.67–1.43 0.92
 Incomplete coverage: repellent non-users 0.71 (80/112) 1.00 0.65–1.53 1.00
Culex spp.
 No coverage 0.30 (35/118) 1
 Complete coverage 0.50 (84/168) 1.26 0.77–2.06 0.36
 Incomplete coverage: repellent users 0.47 (242/519) 1.22 0.79–1.89 0.37
 Incomplete coverage: repellent non-users 0.50 (89/178) 1.58 0.96–2.62 0.07
  1. Abbreviations: HBI, human blood index; OR, odds ratio; 95 % CI-OR- 95 % confidence interval of OR and p-value