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Table 3 Baseline Indoor Resting Density (IRD), Sporozoite Rate (SR) and infective bites as observed during the pre-intervention survey in Control (C) and Intervention (I) areas.

From: Spatial targeted vector control in the highlands of Burundi and its impact on malaria transmission

  Valleys Hill tops
  C I Ratio* (95% CI) P value C I Ratio* (95% CI) P value
IRD total Anopheles/house 1.3 7.6 5.9 (1.7–21.0) 0.007 1.3 0.6 0.4 (0.1–1.6) 0.200
SR total Anopheles (No. tested) 3.8% (104) 4.2% (737) 1.1 (0.4–3.1) 0.858 0.9% (114) 6.3% (64) 7.5 (2.2–26.2) 0.002
IRD fed Anopheles/house 0.5 4.3 8.7 (2.3–32.9) 0.002 0.4 0.2 0.6 (0.2–1.8) 0.333
SR fed Anopheles (No. tested) 2.0% (49) 4.1% (419) 2.0 (0.4–11.0) 0.397 2.8% (36) 9.4% (32) 3.6 (0.6–22.3) 0.156
Infective bites/house/month 0.3 5.1 17.0 (1.7–171) 0.015 0.3 0.6 2.0 (0.2–23.3) 0.580
  1. *Density ratios for indoor resting density and infective bites. Odd ratios for sporozoite rates