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Table 3 Mean number of Anophelines and Culicines collected according to house characteristics in Yaoundé

From: Influence of house characteristics on mosquito distribution and malaria transmission in the city of Yaoundé, Cameroon

FeaturesAnophelinesCulicines
Mean (CI)RR (95% CI)P valueMean (CI)RR (95% CI)P value
Wall type
 Cement0.19 (0.18–0.19)0.8 (0.67–0.96)0.025.12 (5.09–5.16)0.99 (0.91–1.08)0.77
 Wood0.26 (0.25–0.27)0.97 (0.81–1.16)0.767.27 (7.21–7.33)1.05 (0.96–1.16)0.26
 Mud0.31 (0.28–0.33)13.59 (3.51–3.66)1 
 Mix0.21 (0.20–0.23)0.93 (1.73–1.13)0.454.70 (4.64–4.77)0.96 (0.87–1.06)0.44
Inhabitants
 (1–3)0.25 (0.23–0.28)1 6.30 (6.21–6.39)1 
 (4–6)0.21 (0.20–0.22)0.91 (0.78–1.07)0.255.11 (5.07–5.16)0.95 (0.88–1.02)0.14
 (7–10)0.22 (0.21–0.23)0.99 (0.84–1.16)0.875.07 (5.03–5.12)0.97 (0.90–1.05)0.42
 ≥ 110.18 (0.16–0.20)0.91 (0.74–1.12)0.364.71 (4.63–4.79)0.94 (0.85–1.03)0.19
Hole on wall
 Yes0.23 (0.22–0.24)1.03 (0.93–1.14)<0.00016.86 (6.81–6.92)0.98 (0.92–1.03)0.40
 No0.21 (0.20–0.22)14.59 (4.56–4.62)1
Eaves status
 Closed0.21 (0.20–0.22)1 4.45 (4.41–4.49)1 
 Opened0.23 (0.22–0.23)1.12 (1.02–1.24)0.0146.16 (6.12–6.20)1.04 (0.99–1.09)0.09
Ceiling status
 Yes0.17 (0.16–0.18)1 4.83 (4.78–4.87)1 
 No0.25 (0.24–0.26)1.37 (1.24–1.52)<0.00015.88 (5.84–5.92)1.06 (0.1–1.12)0.05
Window status
 Screened0.19 (0.17–0.20)1 5.16 (5.09–5.22)1 
 Unscreened0.22 (0.21–0.23)1.13 (0.99–1.30)0.665.40 (5.37–5.42)1.06 (0.98–1.14)0.15
Coverage of LLINs
 Yes0.22 (0.21–0.22)1 5.15 (5.12–5.18)1 
 No0.20 (0.18–0.22)0.91 (0.77–1.05)0.206.05 (5.96–6.13)0.98 (0.92–1.05)0.62
Use of LLINs
 Yes0.22 (0.21–0.22)1 5.37 (5.34–5.40)1 
 No0.20 (0.18–0.22)1.01 (0.86–1.17)0.944.35 (4.27–4.42)0.99 (0.92–1.07)0.79
Vegetation
 Yes0.2 (0.20–0.21)1.14 (1.01–1.28)0.035.71 (5.67–5.74)1.07 (1.01–1.13)0.02
 No0.24 (0.22–0.25)14.36 (4.31–4.42)1
Breeding sites
 Yes0.21 (0.21–0.22)1.004(0.89–1.13)0.955.63 (5.60–5.66)1.06 (1.00–1.13)0.04
 No0.23 (0.21–0.24)14.51 (4.45–4.57)
Household heads’education level
 Illiterate0.32 (0.28–0.36)1 4.23 (4.11–4.35)1 
 Primary0.20 (0.19–0.22)0.88 (070–1.11)0.295.56 (5.50–5.63)1.09 (0.96–1.24)0.17
 Secondary0.22 (0.21–0.22)0.79 (0.64–0.98)0.045.55 (5.50–5.59)1.08 (0.95–1.22)0.23
 University0.18 (0.16–0.19)0.71 (0.56–0.92)0.0094.72 (4.65–4.79)1.03 (0.90–1.18)0.62
Bedroom
 < 50.22 (0.21–0.23)1 5.29 (5.26–5.32)1 
 ≥ 50.15 (0.13–0.17)0.77 (0.65–0.94)0.0085.89 (5.80–5.99)1.00 (0.93–1.09)0.94
Window
 < 50.21 (0.20–0.21)1 5.18 (5.15–5.21)1 
 ≥ 50.22 (0.21–0.23)0.96 (0.86–1.06)0.45.73 (5.68–5.78)0.99 (0.95–1.05)0.96