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Table 2 Bivariate analysis comparing house characteristics and mosquito distribution in Yaoundé

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

CharacteristicsNo of night collection/housea% of housesMos/house/night (CI)RR (95%CI)P value
Wall type
 Cement28,41956.043.01 (2.99–3.03)0.94 (0.87–1.01) 0.09
 Wood11,66723.004.27 (4.23–4.31)1.03 (0.95–1.12)0.52
 Mud39497.792.18 (2.14–2.23)11
 Mix668013.172.78 (2.74–2.82)0.95 (0.86–1.04)0.23
Occupants
 (1–3)82510.8724.98 (24.64–25.32)1
 (4–6)329643.3620.20 (20.05–20.35)0.94 (0.87–1.01)0.07
 (7–10)272835.8820.20 (20.04–20.37)0.97 (0.91–1.01)0.43
 ≥ 117599.8918.15 (17.84–18.45)0.93 (0.85–1.02)0.12
Hole on wall
 Yes15,41531.794.02 (3.99–4.05)1.05 (1.00–1.10)0.03
 No33,08268.212.71 (2.70–2.23)1
Eaves status
 Closed19,27339.512.63 (2.61–2.65)1
 Opened29,80760.493.62 (3.60–3.64)1.06 (1.01–1.11)0.009
Ceiling status
 Present20,15037.152.58 (2.61–2.61)1
 Absent33,84162.853.17 (3.15–3.19)1.13 (1.08–1.18)< 0.0001
Window
 Screened783415.983.03 (2.99–3.05)1
 Unscreened41,17984.023.18 (3.16–3.19)1.09 (1.02–1.15)0.007
Possession of LLINs
 Yes39,59687.023.39 (3.37–3.41)1
 No579912.983.99 (3.93–4.04)0.92 (0.87–0.98)0.007
Use of LLINs
 Yes47,20589.193.02 (3.01–3.05)1
 No552310.812.51 (2.46–2.55)0.99 (0.93–1.06)0.85
Vegetation
 Yes40,19579.193.35 (3.33–3.37)1.09(1.03–1.14)0.002
 No10,56220.812.60 (2.57–2.63)1
Breeding sites
 Yes41,88782.393.31 (3.29–3.33)1.05(0.99–1.11)0.008
 No895417.612.67 (2.64–2.71)1
Household heads’education level
 Illiterate19094.772.69 (2.62–2.77)1
 Primary992624.803.42 (3.38–3.6)1.04 (0.93–1.16)0.53
 Secondary22,41856.013.49 (3.47–3.51)1.00 (0.89–1.11)0.99
 University577214.423.06 (3.02–3.11)0.95 (0.84–1.07)0.4
Bedroom
 < 540,69491.113.12 (3.10–3.14)1
 ≥ 539718.893.04 (3.02–3.06)0.95 (0.88–1.03)0.22
Window
 < 530,02169.193.04 (3.03–3.07)1
 ≥ 513,36930.813.37 (3.34–3.40)0.99 (0.95–1.04)0.66
  1. aNo of night collection/house: represents the total number of collections per night in each house during the course of the study