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Table 4 Factors affecting adoption of improved sorghum varieties: results of multivariate probit regression

From: The role of varietal attributes on adoption of improved seed varieties: the case of sorghum in Kenya

 

Gadam

Serena

Kimbeere

 

Coefficient

P value

Marginal effect

Coefficient

P value

Marginal effect

Coefficient

P value

Marginal effect

Yield

0.559

0.021

0.462

0.239

0.021

0.335

-1.109

0.028

-0.261

Drought resistance

0.580

0.247

0.146

0.980

0.698

0.201

0.967

0.040

0.310

Striga

0.093

0.247

0.022

0.573

0.459

0.230

-0.283

0.534

-0.106

Maturity

-0.705

0.103

-0.203

0.744

0.413

0.242

0.499

0.199

0.192

Pest resistance

1.067

0.084

0.674

1.757

0.001

0.564

0.903

0.072

0.330

Price

2.371

0.000

0.118

1.065

0.154

0.354

0.116

0.801

0.027

Ease of cooking

1.182

0.019

0.329

0.755

0.017

0.332

-0.810

0.097

-0.293

Taste

0.372

0.433

0.118

-0.330

0.645

-0.145

0.801

0.059

0.283

Brewing quality

0.259

0.048

0.065

1.201

0.124

0.354

0.204

0.520

0.052

Distance to the market

-0.159

0.001

-0.052

-0.012

0.832

-0.005

0.051

0.448

0.011

Household size

0.121

0.096

0.039

0.132

0.223

0.050

-0.136

0.001

-0.420

Farm size

0.620

0.019

0.189

0.183

0.616

0.041

-0.047

0.849

-0.030

Value of livestock assets

0.177

0.138

0.055

-0.275

0.126

-0.105

0.070

0.551

0.025

Extension visits

0.335

0.003

0.113

0.085

0.053

0.223

-0.084

0.038

-0.260

Off-farm income

0.664

0.006

0.223

0.319

0.028

0.127

0.285

0.146

0.106

Group membership

-0.440

0.194

-0.151

-0.049

0.906

-0.018

-0.389

0.021

-0.136

Assets

0.047

0.076

0.330

0.284

0.151

0.598

0.008

0.954

0.008

Age

-1.748

0.020

-0.484

-1.056

0.285

-0.331

0.618

0.380

0.200

Gender

0.357

0.459

0.099

-0.766

0.318

-0.351

-0.137

0.749

-0.043

Education

0.034

0.024

0.011

-0.173

0.165

-0.063

-0.038

0.491

-0.008

Farming experience

0.018

0.751

0.005

0.014

0.415

0.004

-0.008

0.537

-0.003

Constant

14.529

0.001

 

-0.616

0.901

 

-7.246

0.053

 
  1. Likelihood ratio test of rho21 = rho31 = rho32 = 0 chi2 (3) = 3.28304 Prob > chi2 = 0.0000.
  2. Wald chi2(63) = 113.41 Prob > chi2 = 0.0001 Log likelihood = -128.64298.