Table 3 Crude and adjusted effect of habitat characteristics using linear and multiple regression on the relative abundance of larval Anophelinae
From: Study on the species composition and ecology of anophelines in Addis Zemen, South Gondar, Ethiopia
Habitat characteristics | Linear regression | Multiple regression | ||||
|---|---|---|---|---|---|---|
| Â | Regression coefficient | SE | P-value | Regression coefficient | SE | P-value |
An. gambiae (s.l.) | ||||||
Habitat width | 15.66 | 2.07 | 0.034 | -1.48 | 2.76 | 0.595 |
Permanence | ||||||
 Semi-permanent | 0.67 | 2.81 | 0.813 |  |  |  |
 Permanent | 4.81 | 3.88 | 0.219 | -17.83 | 8.00 | 0.030 |
 Temporary | 21.51 | 3.68 | < 0.001 | 14.41 | 4.60 | 0.003 |
Presence of algae | ||||||
 Present | 6.87 | 1.76 | < 0.001 |  |  |  |
 Absent | 21.67 | 4.16 | < 0.001 | 18.74 | 5.74 | 0.002 |
Water current | ||||||
 Slow flowing | 5.32 | 3.10 | 0.090 |  |  |  |
 Still | 8.22 | 3.82 | 0.035 | 14.63 | 7.85 | 0.068 |
Turbidity | ||||||
 Turbid | 1.7 | 11.25 | 0.087 |  |  |  |
 Clear | 17.7 | 11.41 | 0.432 | 27.29 | 12.83 | 0.038 |
Distance from house | ||||||
 100–300 m | 11.4 | 4.15 | 0.008 |  |  |  |
 0–100 m | -0.51 | 4.77 | 0.916 | 9.22 | 4.53 | 0.047 |
  > 300 m | -2.31 | 6.38 | 0.719 | 4.66 | 5.39 | 0.392 |
An. cinereus | ||||||
 Temperature | -1.73 | 0.58 | 0.004 | -1.11 | 0.62 | 0.079 |
 Habitat length | 2.55 | 1.14 | 0.029 | 2.29 | 1.66 | 0.173 |
 pH | -9.46 | 3.08 | 0.003 | -6.46 | 3.86 | 0.100 |
Permanence | ||||||
 Permanent | 32.35 | 3.97 | < 0.001 |  |  |  |
 Semi-permanent | -1.82 | 5.75 | 0.752 | -0.17 | 12.34 | 0.989 |
 Temporary | -27.90 | 5.32 | < 0.001 | -19.27 | 14.02 | 0.175 |
Presence of algae | ||||||
 Present | 25.17 | 2.72 | < 0.001 |  |  |  |
 Absent | -24.86 | 6.45 | < 0.001 | -7.95 | 8.65 | 0.373 |
Water current | ||||||
 Slow flowing | 31.08 | 4.38 | < 0.001 |  |  |  |
 Still | -15.73 | 5.41 | 0.005 | -0.59 | 12.10 | 0.961 |
Habitat width | 3.25 | 3.07 | 0.294 | -9.08 | 4.26 | 0.038 |
Total anophelines | ||||||
 Temperature | -1.07 | 0.53 | 0.047 | -1.18 | 0.65 | 0.072 |
 pH | -6.96 | 2.76 | < 0.001 | -2.90 | 4.01 | 0.473 |
Distance from house | ||||||
 0–100 m | 35.81 | 2.88 | < 0.001 |  |  |  |
 100–300 m | -13.81 | 5.85 | 0.021 | -11.31 | 7.27 | 0.126 |
  > 300 m | -6.81 | 6.60 | 0.306 | -7.6 | 7.47 | 0.311 |
Permanence | ||||||
 Permanent | 38.22 | 4.17 | < 0.001 |  |  |  |
 Semi-permanent | -6.88 | 6.03 | 0.258 | -19.08 | 12.85 | 0.143 |
 Temporary | -10.80 | 5.58 | 0.057 | -23.02 | 14.59 | 0.121 |
Habitat width | -1.25 | 2.72 | 0.647 | -10.66 | 4.43 | 0.020 |