Table 3 Mean number of Anophelines and Culicines collected according to house characteristics in Yaoundé
Features | Anophelines | Culicines | ||||
|---|---|---|---|---|---|---|
Mean (CI) | RR (95% CI) | P value | Mean (CI) | RR (95% CI) | P value | |
Wall type | ||||||
Cement | 0.19 (0.18–0.19) | 0.8 (0.67–0.96) | 0.02 | 5.12 (5.09–5.16) | 0.99 (0.91–1.08) | 0.77 |
Wood | 0.26 (0.25–0.27) | 0.97 (0.81–1.16) | 0.76 | 7.27 (7.21–7.33) | 1.05 (0.96–1.16) | 0.26 |
Mud | 0.31 (0.28–0.33) | 1 | – | 3.59 (3.51–3.66) | 1 | |
Mix | 0.21 (0.20–0.23) | 0.93 (1.73–1.13) | 0.45 | 4.70 (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) | 0.25 | 5.11 (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) | 0.87 | 5.07 (5.03–5.12) | 0.97 (0.90–1.05) | 0.42 |
≥ 11 | 0.18 (0.16–0.20) | 0.91 (0.74–1.12) | 0.36 | 4.71 (4.63–4.79) | 0.94 (0.85–1.03) | 0.19 |
Hole on wall | ||||||
Yes | 0.23 (0.22–0.24) | 1.03 (0.93–1.14) | <0.0001 | 6.86 (6.81–6.92) | 0.98 (0.92–1.03) | 0.40 |
No | 0.21 (0.20–0.22) | 1 | – | 4.59 (4.56–4.62) | 1 | – |
Eaves status | ||||||
Closed | 0.21 (0.20–0.22) | 1 | 4.45 (4.41–4.49) | 1 | ||
Opened | 0.23 (0.22–0.23) | 1.12 (1.02–1.24) | 0.014 | 6.16 (6.12–6.20) | 1.04 (0.99–1.09) | 0.09 |
Ceiling status | ||||||
Yes | 0.17 (0.16–0.18) | 1 | 4.83 (4.78–4.87) | 1 | ||
No | 0.25 (0.24–0.26) | 1.37 (1.24–1.52) | <0.0001 | 5.88 (5.84–5.92) | 1.06 (0.1–1.12) | 0.05 |
Window status | ||||||
Screened | 0.19 (0.17–0.20) | 1 | 5.16 (5.09–5.22) | 1 | ||
Unscreened | 0.22 (0.21–0.23) | 1.13 (0.99–1.30) | 0.66 | 5.40 (5.37–5.42) | 1.06 (0.98–1.14) | 0.15 |
Coverage of LLINs | ||||||
Yes | 0.22 (0.21–0.22) | 1 | 5.15 (5.12–5.18) | 1 | ||
No | 0.20 (0.18–0.22) | 0.91 (0.77–1.05) | 0.20 | 6.05 (5.96–6.13) | 0.98 (0.92–1.05) | 0.62 |
Use of LLINs | ||||||
Yes | 0.22 (0.21–0.22) | 1 | 5.37 (5.34–5.40) | 1 | ||
No | 0.20 (0.18–0.22) | 1.01 (0.86–1.17) | 0.94 | 4.35 (4.27–4.42) | 0.99 (0.92–1.07) | 0.79 |
Vegetation | ||||||
Yes | 0.2 (0.20–0.21) | 1.14 (1.01–1.28) | 0.03 | 5.71 (5.67–5.74) | 1.07 (1.01–1.13) | 0.02 |
No | 0.24 (0.22–0.25) | 1 | – | 4.36 (4.31–4.42) | 1 | – |
Breeding sites | ||||||
Yes | 0.21 (0.21–0.22) | 1.004(0.89–1.13) | 0.95 | 5.63 (5.60–5.66) | 1.06 (1.00–1.13) | 0.04 |
No | 0.23 (0.21–0.24) | 1 | – | 4.51 (4.45–4.57) | – | – |
Household heads’education level | ||||||
Illiterate | 0.32 (0.28–0.36) | 1 | 4.23 (4.11–4.35) | 1 | ||
Primary | 0.20 (0.19–0.22) | 0.88 (070–1.11) | 0.29 | 5.56 (5.50–5.63) | 1.09 (0.96–1.24) | 0.17 |
Secondary | 0.22 (0.21–0.22) | 0.79 (0.64–0.98) | 0.04 | 5.55 (5.50–5.59) | 1.08 (0.95–1.22) | 0.23 |
University | 0.18 (0.16–0.19) | 0.71 (0.56–0.92) | 0.009 | 4.72 (4.65–4.79) | 1.03 (0.90–1.18) | 0.62 |
Bedroom | ||||||
< 5 | 0.22 (0.21–0.23) | 1 | 5.29 (5.26–5.32) | 1 | ||
≥ 5 | 0.15 (0.13–0.17) | 0.77 (0.65–0.94) | 0.008 | 5.89 (5.80–5.99) | 1.00 (0.93–1.09) | 0.94 |
Window | ||||||
< 5 | 0.21 (0.20–0.21) | 1 | 5.18 (5.15–5.21) | 1 | ||
≥ 5 | 0.22 (0.21–0.23) | 0.96 (0.86–1.06) | 0.4 | 5.73 (5.68–5.78) | 0.99 (0.95–1.05) | 0.96 |