Independent

Variable^a

DF

RD

LRS

Variable

Class

Estimate^b

SE

Odds

Ratio

DC

PR > X²

Intercept

1312

6.03

0.014

0.41

0.16

1.51

Altitude

2

568.7

158.9

<0.0001

<2500

−1.49

0.11

0.23

5.89

0.015

≥2500 - ≤2700

−0.19

0.07

0.83

.

.

>2700

0*

0*

1

Soil type

2

534.9

15.9

<0.0001

Brown

−0.49

0.12

0.61

21.6

<0.0001

Red

−0.56

0.12

0.57

.

.

Black

0*

0*

1

Farm history

3

420.8

40.58

<0.0001

Wheat

0.65

0.1

1.92

39.9

<0.0001

Potato

0.86

0.13

2.36

19.1

<0.0001

Barley

0.55

0.12

1.73

.

.

Teff

0*

0*

1

Growth stage

2

309.8

43.3

<0.0001

Flowering

−0.68

0.1

0.51

6.1

0.013

Pre podding

−0.25

0.1

0.78

.

.

Podding

0*

0*

1

Planting density

1

298.3

30.9

<0.0001

≥40/m²

0.44

0.07

1.55

.

.

<40/m²

0*

0*

1

Fungicide usage

1

263.2

34.47

<0.0001

Sprayed

−0.63

0.1

0.53

.

.

Unsprayed

0*

0*

1