Table 4 Odds ratios for risk factors for pupal persistence in households in the overall model

Rooms

 < 3

Ref

–

 3–4

0.77

0.21–2.82

 ≥ 4

1.03

0.17–6.18

No. of sleepers

 < 4

Ref

–

 4–6

0.91

0.24–3.51

 ≥ 7

0.49

0.10–2.46

House wall

 Mud

Ref

–

 Cement

1.18

0.27–5.06

House roof

 Iron sheet

Ref

–

 Grass

1.81

0.28–11.73

 Asbestos/tile

1.28

0.14–11.82

Room ceilings

0.93

0.22–3.86

Bushes/tall grass

4.20*

1.42–12.46

Firewood use

0.57

0.20–1.65

Eaves open

1.66

0.40–6.84

Habitat count

2.17^*

1.03–4.58

Urban

1.48

0.42–5.22

West

3.44

0.53–22.25