Independent Variablea | DF | RD | LRS | Variable Class | Estimateb | SE | Odds Ratio | |
DC | PR > X2 | |||||||
Intercept |
| 2852 | 234 | <0.0001 |
| 4.14 | 0.27 |
|
Altitude | 2 | 1191 | 366 | <0.0001 | <2500 | −3.61 | 0.18 | 0.02 |
|
| 51.3 | <0.0001 | ≥2500 - ≤2700 | −0.97 | 0.13 | 0.37 | |
|
| . | . | >2700 | 0* | 0* | 1 | |
Farm history | 3 | 887 | 50.7 | <0.0001 | Wheat | 0.77 | 0.1 | 2.18 |
|
| 4.49 | 0.03 | Potato | −0.42 | 0.19 | 0.65 | |
|
| 84.5 | <0.0001 | Barley | 1.05 | 0.11 | 2.85 | |
|
| . | . | Teff | 0* | 0* | 1 | |
Growth stage | 2 | 769 | 43.5 | <0.0001 | Flowering | −1.39 | 0.21 | 0.24 |
|
| 12 | 0.0005 | Pre podding | −0.74 | 0.21 | 0.47 | |
|
| . | . | Podding | 0* | 0* | 1 | |
Planting density | 1 | 745 | 62.4 | <0.0001 | ≥40/m2 | 0.81 | 0.1 | 2.26 |
|
| . | . | <40/m2 | 0* | 0* | 1 | |
Fungicide usage | 1 | 640 | 84.7 | <0.0001 | Sprayed | −1.59 | 0.17 | 0.2 |
|
| . | . | Unsprayed | 0* | 0* | 1 |