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