Skip to main content

Table 5 Poisson and negative binomial models

From: Organic vegetables demand in urban area using a count outcome model: case study of Burkina Faso

Frequency Poisson (PRM) Negative binomial (NBRM)
Health 0.1805846 (3.31)*** 0.2229538 (2.05)**
Distance −0.0495767 (−4.00)*** −0.0575186 (−2.75)***
Utilisation −0.8727124 (−5.89)*** −0.9575999 (−2.38)**
Environ 0.0431457 (0.78) 0.0686963 (0.62)
Support −0.2043093 (−1.33) −0.2126473 (−0.78)
Value 0.1625952 (1.86)* 0.1670796 (0.97)
Number of crop −0.0188148 (−0.46) −0.0150279 (−0.20)
Power 0.0779047 (1.60) 0.0768872 (0.79)
Gender 0.9387853 (1.71)* 1.064793 (1.00)
Gend*Val −0.1829558 (−1.99) −0.2094394 (−1.16)
Gend*Dist 0.0308516 (2.39)** 0.0397297 (1.83)*
Constant 1.835343 (3.35)*** 1.88481 (1.71)*
Lnalpha   −0.9359292
Alpha   0.3922212
  Log likelihood = −725.74641 Log likelihood = −584.76611
Observations: 202 Observations: 202
  1. Source: Field survey Ouagadougou, 2017-2018