Table 7 Variance inflation factor for the quadratic function in Model 1
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 4Â 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 1Â =Â yes, 0Â =Â no) | 1.14 | 0.873905 |
District | Â | Â |
 12 | 1.51 | 0.663642 |
 21 | 1.5 | 0.666088 |
Mean VIF | 29.16 | Â |