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Table 7 Variance inflation factor for the quadratic function in Model 1

From: Does crop diversity contribute to dietary diversity? Evidence from integration of vegetables into maize-based farming systems

Variable VIF 1/VIF
Head of the household—female (1 = yes, 0 = no) 1.21 0.823871
Age (years) 1.44 0.696669
Level of education for the respondent (primary level—dummy) 4.07 0.245586
Secondary level—dummy 5.85 0.170826
Higher secondary and above—dummy 3.22 0.310418
Household size (number of family members) 1.37 0.729139
Number of times met with public extension officers in last 4 months 1.09 0.917749
Ownership of radio 1.16 0.859902
Ownership of mobile 1.22 0.821471
Own farm area (acre) 1.61 0.620033
Ln monthly food expenditure 1.23 0.810505
Ln monthly non-food expenditure 1.31 0.761025
Ln revenue generated from crop sales per transaction (crop income) 246.92 0.00405
Square of Ln revenue generated from crop sales per transaction (crop income) 247.89 0.004034
Simpson’s Index 1.17 0.854201
Access to credit (dummy 1 = yes, 0 = no) 1.14 0.873905
District   
 12 1.51 0.663642
 21 1.5 0.666088
Mean VIF 29.16  
  1. Source: Authors' calculation