Table 1 Effect of treatment, livestock, cooking locations, wall type and the number of people that slept in the house the previous night on the catch sizes of anophelines and culicines. The risk ratios (RR) and 95% confidence intervals (CI) are shown

Open eaves

14.16

2.05–97.91

1.14

0.52–2.52

1.03

0.21–5.12

Eaves with two long sides open

5.41

0.72–40.40

1.28

0.60–2.75

0.49

0.10–2.37

Eaves with four small openings

8.83

1.16–67.14

1.17

0.52–2.62

0.73

0.14–3.82

Eaves with a single small opening

4.38

0.59–32.46

0.86

0.40–1.88

0.40

0.08–1.94

Fully closed eaves

Ref

–

Ref

–

Ref

–

People that slept in the house the previous night

1.27

1.03–1.56

1.07

0.99–1.15

0.98

0.90–1.07

Cow

0.46

0.10–2.15

1.29

0.96–1.73

0.68

0.44–1.05

Goat

1.16

0.49–2.77

0.70

0.52–0.94

1.04

0.70–1.55

Chicken

4.15

2.04–8.42

0.95

0.69–1.32

0.56

0.32–0.99

Cooking inside the house

2.20

0.66–7.36

1.46

0.98–2.17

0.98

0.52–1.85

Cooking on the veranda

2.34

0.78–7.05

0.63

0.46–0.87

0.85

0.52–1.39

Cooking outside, within 2m of the house

1.04

0.43–2.50

0.80

0.62–1.02

1.13

0.80–1.60

Cooking outside, away from 2m of the house

Ref

–

Ref

–

Ref

–

Wall type fire baked bricks

0.57

0.11–2.86

1.83

0.89–3.75

1.73

0.42–7.13

Wall type sun-dried bricks

Ref

–

Ref

–

Ref

–