Table 6 Truncated regression analysis of the intensity of biofortified cassava variety adoption.

From: Traits preferences heterogeneity and biofortified cassava varietal adoption among farming households in Southwest, Nigeria

Variable

Oyo State

Ogun State

Southwestern Nigeria

Coefficient

Standard

error

Marginal

effect

p-value

Coefficient

Standard

error

Marginal

effect

p-value

Coefficient

Standard

error

Marginal

effect

p-value

Age

0.278

0.399

0.013

0.291

0.388

0.931

0.030

2.374

0.167

0.257

0.151

0.522

Education

0.133

0.111

0.071

0.891

0.531***

0.045

0.022

0.000

0.399

0.313

0.247

0.217

Experience

0.114

0.889

0.009

1.034

0.409

1.998

0.001

0.681

0.031

0.079

0.098

0.695

Household size

0.808***

0.022

0.011

0.000

0.143***

0.008

0.347

0.000

3.786**

1.481

0.019

0.031

Farm size

0.467***

0.091

0.013

0.000

0.938**

0.469

0.704

0.041

0.626***

0.119

0.031

0.000

Off farm income

0.701***

0.031

0.033

0.000

0.192**

0.080

0.014

0.033

0.948***

0.333

0.009

0.002

Credit

0.392

0.961

0.004

1.443

0.309***

0.072

0.008

0.000

0.821

1.502

0.017

0.590

Extension contacts

0.300

0.623

0.117

2.111

1.895***

0.032

0.621

0.000

0.605***

0.200

0.133

0.001

Planting material

1.563***

0.065

0.096

0.000

0.376

1.502

0.441

0.714

0.260

0.350

0.082

0.466

Yield trait

0.633

0.734

0.043

0.631

0.463

0.668

0.016

1.477

0.097

0.195

0.051

0.624

Stem height

0.533

0.331

0.009

0.231

0.008

0.309

0.027

0 0.806

0.420

0.255

0.046

0.110

Truncated regression analysis of the intensity of biofortified cassava variety adoption

 Pest resistant trait

0.137***

0.010

0.021

0.000

0.576***

0.043

3.314

0.000

0.133**

0.065

0.011

0.036

 Dry matter content

0.333

0.321

0.613

0.971

0.014

1.131

0.012

0.990

0.296

0.433

0.016

0.502

 Starch content

0.201

0.491

0.043

0.431

0.713

1.836

0.011

0.713

0.235

0.887

0.057

0.794

 Market demand

1.220***

0.279

0.372

0.000

0.168

13.548

0.012

0.993

2.031**

1.001

0.081

0.031

 Product price

3.442***

0.074

0.023

0.000

0.139***

0.011

0.007

0.001

0.3445***

0.004

0.103

0.000

 Colour of garri

0.667**

0.313

0.004

0.021

0.078

0.081

0.006

0.991

0.761

0.814

0.003

0.633

 Log likelihood

-211.322

   

-199.903

   

-194.661

   

 Chi – square

201.24

   

198.61

   

190.44

   

 Probability level

0.0000

   

0.0000

   

0.0001

   
  1. Note: ** = Significant at 5%, *** = Significant at 1% Dependent variable = Area of land under biofortified cassava cultivation.
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