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Table 4 Standard Poisson regression and NBR results on determinants of consumption intensity of leafy AIVs

From: Consumption intensity of leafy African indigenous vegetables: towards enhancing nutritional security in rural and urban dwellers in Kenya

Variable

Standard Poisson regression

Negative binomial regression (NBR)

Rural dwellers

Urban dwellers

Rural dwellers

Urban dwellers

Coef.

Std. err.

Coef.

Std. err.

Coef.

Std. err.

Coef.

Std. err.

Gender

−0.1840**

0.0836

−0.1918

0.1428

0.0347

0.1495

0.0144

0.0695

H_size

−0.0502***

0.0174

−0.0488

0.0308

0.0050

0.0408

0.0113

0.0179

Age

0.0141***

0.0041

0.0140*

0.0075

0.0029

0.0073

0.0039

0.0034

Educ

0.0015

0.0094

0.0002

0.0165

0.0121

0.0184

0.0110

0.0084

Occup

−0.2884***

0.1077

−0.2440

0.1845

−0.1626

0.1797

−0.1824**

0.0869

P_income

−0.1313***

0.0408

−0.1274*

0.0755

0.1396

0.0942

0.1455***

0.0448

Yr_cons

0.0019

0.0031

0.0016

0.0057

−0.0007

0.0073

−0.0024

0.0034

V_diversity

0.0458***

0.0173

0.0472

0.0320

0.0472

0.0365

0.0495

0.0166

Mrkt_dist

0.0177

0.0369

−0.0029

0.0656

0.0667

0.0913

0.0652

0.0440

Nutrit

−0.1143

0.1919

−0.1642

0.3221

0.1191

0.3486

0.1390

0.1625

Medic

0.7309***

0.1874

0.7140**

0.2981

0.0775

0.2408

0.0756

0.1135

Price_Per

−0.0459

0.0944

−0.0774

0.1687

−0.1673

0.1833

−0.1630*

0.0842

Constant

0.5966*

0.3117

0.7503

0.5266

1.1863*

0.6343

1.1532***

0.2990

/lnalpha

 

−1.1629

0.2321

−0.5039

0.1512

Alpha

0.3126

0.0725

0.6042

0.0914

LR test of alpha = 0

 

χ 2(01) = 73.83

χ 2(01) = 247.79

Pr ≥ χ 2 = 0.0000***

Pr ≥ χ 2 = 0.0000***

  1. *, **, ***indicates significance level at 10, 5, and 1%, respectively