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Table 2 Assessment of whether transfluthrin-treated sandals divert host-seeking mosquitoes to persons wearing untreated sandals

From: Evaluation of personal protection afforded by repellent-treated sandals against mosquito bites in south-eastern Tanzania

Treatment groups

Incidence rate ratio IRRa (95% C.I.)

p-value

z-score

Mean number of mosquitoes (standard deviation)

Treatment

Control

Repellent-treated sandal (experimental compartment)

0.32 (0.23–0.44)

< 0.0001

− 6.81

4.81 (8.23)

14.46 (24.08)

Untreated sandal 1 (comparative compartment)

0.89 (0.67–1.18)

0.42

− 0.81

15.37 (29.75)

14.46 (24.08)

Untreated sandal 2 (comparative compartment)

0.80 (0.59–1.07)

0.13

− 1.53

16.25 (31.01)

14.46 (24.08)

  1. aThe reference sandal was the untreated sandal in the experimental chamber