Research Article
A Multilevel Analysis of Regressors of Access to Improved Drinking Water and Sanitation Facilities in Ghana
Table 2
Collinearity statistics of explanatory variables.
| | Explanatory variables | Df | Improved water model | Improved toilet model | | GVIF | | GVIF | |
| | Sex of the HH | 1 | 1.56 | 1.25 | 1.49 | 1.22 | | Age of the HH | 2 | 1.49 | 1.10 | 1.61 | 1.13 | | Education level of the HH | 4 | 1.42 | 1.04 | 1.53 | 1.05 | | Marital status of the HH | 2 | 2.21 | 1.22 | 2.29 | 1.23 | | Place of residence | 1 | 1.06 | 1.03 | 1.49 | 1.22 | | Household size | 2 | 1.34 | 1.08 | 1.32 | 1.07 | | Household wealth | 2 | 1.30 | 1.03 | 1.98 | 1.09 | | Improved source of water | 1 | | | 1.09 | 1.04 | | An improved type of toilet | 1 | 1.03 | 1.02 | | |
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GVIF: generalized variance inflation factor; Df: degree of freedom.
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