Table 3 Risk factors for An. gambiae s.l. abundance in study children’s sleeping space

Socio-economic status of household head

 Poorest

1

1

 Poor

0.78 (0.42–1.45)

0.73 (0.39–1.37)

 Middle

0.91 (0.49–1.69)

0.89 (0.48–1.66)

 Rich

0.74 (0.38–1.43)

0.82 (0.42–1.63)

 Richest

0.67 (0.30–1.51)

0.73 (0.32–1.65)

ITN use the previous night

 No

1

1

 Yes

1.18 (0.62–2.26)

1.12 (0.56–2.26)

Use of other personal protection measures (insecticide knockdown spray, mosquito coils, traditional spatial repellent)

 No

1

1

 Yes

0.95 (0.56–1.59)

1.02 (0.58–1.79)

Number of people sleeping in the same part of the house as the study child

 ≤ 6

1

1

 7–12

1.10 (0.65–1.85)

1.33 (0.75–2.36)

 > 12

0.77 (0.45–1.31)

0.83 (0.45–1.53)

Roof material of child’s sleeping space

 Non-metal (thatch)

1

1

 Metal

0.58 (0.36–0.94)

0.55 (0.32–0.95)

Floor material of child’s sleeping space

 Mud

1

1

 Cement/tile

0.64 (0.41–0.99)

0.70 (0.42–1.20)

Wall material of child’s sleeping space

 Mud

1

1

 Brick

1.01 (0.63–1.62)

1.18 (0.67–2.07)

 Cement

0.82 (0.40–1.69)

0.98 (0.44–2.18)

Eaves of child’s sleeping space

 Open

1

1

 Closed

1.00 (0.62–1.60)

0.95 (0.57–1.58)

Presence of large domestic animals within 5 m of the sleeping space

 Present

1

1

 Absent

1.12 (0.76–1.67)

1.12 (0.74–1.69)

Distance of sleeping space to positive larval habitat

 < 300 m

1

1

 > 300 m

1.54 (1.04–2.30)

1.43 (0.93–2.19)