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Table 3 Probit regression results of factors influencing farmers’ decision to use MSW compost in Fort Portal and Mbarara municipalities, Uganda

From: Factors influencing utilization of municipal solid waste compost among urban farmers in western Uganda

Independent variables

Fort Portal

Mbarara

Coefficient

Standard Error

P >|z|

Marginal effect (dy/dx)

Coefficient

Standard Error

P >|z|

Marginal effect (dy/dx)

Gender of household head

0.256

0.244

0.294

0.03

0.234

0.246

0.343

0.027

Age of household head

− 0.073

0.127

0.567

− 0.008

− 0.036

0.129

0.78

− 0.004

Marital status of household head

− 0.019

0.168

0.912

− 0.002

− 0.016

0.168

0.924

− 0.002

Level of education

− 0.001

0.132

0.993

 < 0.001

− 0.027

0.132

0.841

− 0.003

Family size

0.152

0.144

0.292

0.018

0.166

0.146

0.257

0.019

Access to extension services

0.168

0.303

0.581

0.019

0.232

0.307

0.449

0.027

Access to infrastructure

0.517

0.554

0.351

0.061

0.522

0.561

0.352

0.061

Access to credit facilities

0.418

0.315

0.185

0.049

0.399

0.317

0.208

0.046

Market for produce

− 0.114

0.503

0.821

− 0.013

− 0.123

0.506

0.807

− 0.014

Member of farmer association

− 0.569

0.316

0.072

− 0.067

− 0.648

0.325

0.047

− 0.075

Level of income from farming in Uganda shillings

0.314

0.145

0.031

0.037

0.306

0.147

0.038

0.036

Engaged in non-farm activities

0.344

0.261

0.186

0.04

0.344

0.263

0.191

0.039

Farming duration years

0.064

0.172

0.709

0.008

0.089

0.174

0.605

0.01

Land ownership

0.478

0.434

0.270

0.056

0.557

0.447

0.213

0.065

Size of land in acres

0.099

0.168

0.557

0.012

0.169

0.177

0.340

0.019

Land tenure

0.168

0.128

0.895

0.002

− 0.004

0.129

0.973

0.010

Access to soil conditioner (Other than the MSW compost)

1.655

0.347

0.000

0.194

1.639

0.35

0.000

0.191

Experience with compost fertilizer (time of utilization in years)

0.369

0.973

0.000

0.043

0.369

0.098

0.000

0.043

The cost per kg of compost

− 1.394

0.14

0.000

− 0.164

− 1.41

0.142

0.000

− 0.164

Market for produce

− 0.114

0.503

0.821

− 0.013

− 0.123

0.506

0.807

− 0.014

Observations

358

   

359

   

Log likelihood

− 76.64

   

− 74.77

   

LR Chi2 (19)

336.55***

   

334.57***

   

Prob > chi2

0.001

   

0.001

   

Pseudo R2

0.69

   

0.68

   
  1. dy/dxb = Marginal effect after Probit evaluated at population average and ***Indicate significance at the 1% level of significance. m p values are in bold