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Table 1 Comparison of indoor densities of malaria vectors between different hut typologies.

From: The effect of light and ventilation on house entry by Anopheles arabiensis sampled using light traps in Tanzania: an experimental hut study

Category

Description

Mean no. mosquitoes (%)/night (95%CI)

Odds ratio (95% CI)

p-value

Experiment 1: Light-opaque walls vs light-transparent walls

 Typology

Opaque-walled

55.8 (52.9–58.6)

1

 < 0.001

Transparent-walled

69.9 (67.4–72.3)

1.84 (1.74–1.95)

Experiment 2: Open gaps under roofing vs closed gaps under roofing

 Typology

Open gaps

0.03 (0.01–0.12)

1

 < 0.001

Closed gaps

0.02 (0.00–0.10)

0.54 (0.41–0.72)

Experiment 3: Poorly ventilated vs well-ventilated

 

 Typology

Poorly ventilated

19.3 (17–21.9)

1

 < 0.001

Well ventilated

0.3 (0.16–0.66)

0.01 (0.01–0.03)

  1. Covariates in the model include sleeper, hut position and night
  2. Where CI confidence intervals, OR  odds ratio