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Table 5 Univariate and multivariate association between larvae densities with physiochemical parameters and breeding site-type

From: Effect of physicochemical parameters on Anopheles and Culex mosquito larvae abundance in different breeding sites in a rural setting of Muheza, Tanzania

Parameter Univariate Multivariate
Coefficient (95% CI) P-value Coefficient (95% CI) P-value
Anopheles larvae
 Breeding site type category
  (i) Rain water collections 1   1  
  (ii) Road side water collections and road potholes 0.08 (-2.22 – -2.37) 0.947 -0.35 (-1.84–1.15) 0.650
  (iii) Rice fields and animal hoof prints -0.17 (-2.11–1.76) 0.860 -2.1 (-5.05–0.85) 0.162
  (iv) Swampy areas -0.19 (-1.65–1.26) 0.795 -0.36 (-1.86–1.13) 0.633
  (v) Pond water reservoirs -1.36 (-2.93–0.21) 0.089 -2.02 (–3.42 – -0.62) 0.005a
  (vi) Small ponds and water collections on the sides of the bridges -1.31 (-4.07–1.45) 0.351 0.001 (-3.00–3.00) 0.999
  Salinity (ppm) 1.86 (0.59–3.12) 0.004a 2.55 (1.44–3.66) < 0.001a
  Temperature (°C) 0.06 (-1.40–1.52) 0.94   
  Total dissolved solids (ppm) 1.35 (-0.01–2.70) 0.051   
  Conductivity (μS) 1.62 (0.24–3.00) 0.022a   
  pH -0.45 (-1.26–0.35) 0.271   
Culex larvae
 Breeding site type category
  (i) Rain water collections 1   1  
  (ii) Road side water collections and road potholes 0.66 (-2.14–3.45) 0.644 -0.232 (-2.52–2.06) 0.843
  (iii) Rice fields and hoof prints -2.59 (-4.33 – -0.85) 0.004a -1.15 (-3.84–1.54) 0.402
  (iv) Swampy areas -0.72 (-2.59–1.16) 0.453 -1.39 (-3.38–0.59) 0.169
  (v) Pond water reservoirs -2.72 (-4.39–1.06) 0.001a -1.57 (-4.34–1.19) 0.264
  (vi) Small ponds and water collections on the sides of the bridges -1.36 (-4.42–1.69) 0.382 -2.48 (-5.07–0.12) 0.062
  Salinity (ppm) 0.57 (-0.22–2.37) 0.532   
  Temperature (°C) -1.75 (-3.36–0.12) 0.035a -1.81 (-3.62–0.01) 0.051
  Total dissolved solids (ppm) -0.06 (-1.90–1.77) 0.95   
  Conductivity (μS) -0.01 (-1.93–1.91) 0.992   
  pH -0.74 (-1.42–0.06) 0.034a -0.42 (-1.54–0.7) 0.459
  1. aStatistically significant