Table 5
Logistic Regression of Socio-demographic Factors. Concerning counties, Busia was coded as 1, Homabay was coded as 2, Kisumu was coded as 3, Migori was coded as 4 and Siaya as 5. For level of education degree was coded as 1, diploma as 2, other levels as 3, primary as 4 and secondary as 5. Female was coded as 1 and male as 2. Household size above 4 was coded as 1 while below 4 was coded as 0. For the marital status, married was coded as 1 while single as 0. Finally, those aged above 40 were recorded as 1 and below 40 as 0. The response variable WTP was coded as 0 for No and 1 for yes.
| Step | –2 Log likelihood | Cox & Snell R square | Nagelkerke R Square | |||
|---|---|---|---|---|---|---|
| 1 | 447.642a | 0.195 | 0.263 | |||
| Socio-demographic Factors | B | S.E. | Wald | df | Sig. | Odds Ratio |
| Siaya County | 38.971 | 4 | 0.000 | |||
| Busia County | –1.721 | 0.504 | 11.647 | 1 | 0.001 | 0.179 |
| Homa Bay County | –1.701 | 0.323 | 27.753 | 1 | 0.000 | 0.182 |
| Kisumu County | –2.328 | 0.448 | 27.018 | 1 | 0.000 | 0.097 |
| Migori County | –1.982 | 0.435 | 20.727 | 1 | 0.000 | 0.138 |
| Sex (Female with ref. Male) | 0.091 | 0.244 | 0.140 | 1 | 0.708 | 1.096 |
| Age of respondent (above 40) | 0.604 | 0.265 | 5.202 | 1 | 0.023 | 1.829 |
| Marital Status (married) | –0.126 | 0.342 | 0.135 | 1 | 0.713 | 0.882 |
| Secondary Education | 30.855 | 4 | 0.000 | |||
| Degree Education | 0.994 | 0.598 | 2.759 | 1 | 0.097 | 2.702 |
| Diploma Education | 1.627 | 0.380 | 18.331 | 1 | 0.000 | 5.089 |
| Other levels of education | 1.261 | 0.674 | 3.503 | 1 | 0.061 | 3.530 |
| Primary Education | –0.505 | 0.287 | 3.105 | 1 | 0.078 | 0.603 |
| Household size (above 4) | 0.209 | 0.287 | 0.530 | 1 | 0.466 | 1.232 |
| Constant | 0.628 | 0.403 | 2.429 | 1 | 0.119 | 1.874 |
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