Table 3 Odds ratios for risk factors for pupal abundance in households in the overall model

Rooms

 < 3

Ref

 3–4

0.94

0.51–1.71

 ≥ 4

1.01

0.46–2.25

No. of sleepers

 < 4

Ref

 4–6

0.90

0.51–1.60

 ≥ 7

0.74

0.40–1.36

House wall

 Mud

Ref

 Cement

1.01

0.55–1.85

House roof

 Iron sheet

Ref

 Grass

0.62

0.30–1.25

 Tile/asbestos

1.19

0.42–3.38

Room ceilings

1.22

0.61–2.44

Bushes/tall grass

1.60*

1.13–2.28

Firewood use

0.57*

0.37–0.88

Eaves open

2.57**

1.33–4.95

Habitat count

1.42***

1.21–1.66

Insecticide/coil^a

0.76

0.32–1.77

Location

0.88

0.15–5.11

Urban

1.67

0.31–8.96