Table 2 Generalised linear model output estimating the effect of EC/TG transfluthrin and mosquito strain on human landing rate in the semi-field system, Bagamoyo, Tanzania

Treatment

 Control

1

1

1

 Transfluthrin

0.22 (0.18–0.26)

< 0.001

0.10 (0.08–0.12)

< 0.001

0.14 (0.12–0.17)

< 0.001

Strain (in control)

 Ifakara strain (susceptible)

1

1

 Mbita strain (metabolic)

0.43 (0.32–0.57)

< 0.001

0.34 (0.26–0.46)

< 0.001

–

–

 Kingani strain (metabolic)

0.60 (0.45–0.80)

< 0.001

0.44 (0.33–0.59)

< 0.001

–

–

 Kisumu susceptible

–

–

–

–

1

 Kisumu kdr

–

–

–

–

1.0 (0.86–1.17)

0.05

Volunteers

 Volunteer 1

1

1

1

 Volunteer 2

0.88 (0.69–1.14)

0.36

1.07 (0.84–1.39)

0.60

1.20 (0.99–1.46)

0.06

 Volunteer 3

0.76 (0.59–0.98)

0.04

0.96 (0.74–1.24)

0.77

1.19 (0.98–1.44)

0.07

 Volunteer 4

0.83 (0.72–0.95)

0.001

0.90 (0.78–1.04)

0.17

1.14 (0.94–1.36)

0.18

Compartment

 Compart 1

1

1

1

 Compart 2

0.90 (0.81–0.99)

0.04

0.79 (0.71–0.87)

< 0.001

0.93 (0.81–1.07)

0.30

Treatment * strain

 Transfluthrin * Ifakara strain

1

1

 Transfluthrin * Mbita strain

1.50 (1.18–1.91)

< 0.001

1.67 (1.29–2.17)

< 0.001

–

–

 Transfluthrin * Kingani strain

1.03 (0.82–1.32)

0.75

2.29 (1.78–2.94)

< 0.001

–

–

 Transfluthrin * Kisumu susceptible

–

–

–

–

1

 Transfluthrin * Kisumu kdr

–

–

–

–

0.98 (0.74–1.30)

0.90