Table 8. Correlation between Independent Variables (Excluding Life-cycle Indicators) for the Sample Used to Predict Person Miles in the Midwest Region, by Urban Group
Friday, November 22, 2024
| Census Region/ Division | Urban Group | Variable | Household Income | Count of Household Vehicles | Count of Household Members | Number of Workers in Household | Homeowner | 1+ child |
|---|---|---|---|---|---|---|---|---|
| Midwest | Urban | Household Income | 1.00 | 0.39 | 0.15 | 0.36 | 0.56 | 0.22 |
| Suburban | 1.00 | 0.44 | 0.29 | 0.42 | 0.54 | 0.24 | ||
| Rural | 1.00 | 0.37 | 0.31 | 0.42 | 0.51 | 0.30 | ||
| Urban | Count of Household Vehicles | 0.39 | 1.00 | 0.24 | 0.46 | 0.48 | 0.23 | |
| Suburban | 0.44 | 1.00 | 0.33 | 0.48 | 0.64 | 0.15 | ||
| Rural | 0.37 | 1.00 | 0.33 | 0.44 | 0.49 | 0.24 | ||
| Urban | Count of Household Members | 0.15 | 0.24 | 1.00 | 0.35 | 0.06 | 0.82 | |
| Suburban | 0.29 | 0.33 | 1.00 | 0.45 | 0.08 | 0.89 | ||
| Rural | 0.31 | 0.33 | 1.00 | 0.45 | 0.19 | 0.85 | ||
| Urban | Number of Workers in Household | 0.36 | 0.46 | 0.35 | 1.00 | 0.20 | 0.36 | |
| Suburban | 0.42 | 0.48 | 0.45 | 1.00 | 0.19 | 0.40 | ||
| Rural | 0.42 | 0.44 | 0.45 | 1.00 | 0.30 | 0.41 | ||
| Urban | Homeowner (1=Yes; 0=No) | 0.56 | 0.48 | 0.06 | 0.20 | 1.00 | 0.09 | |
| Suburban | 0.54 | 0.64 | 0.08 | 0.19 | 1.00 | -0.03 | ||
| Rural | 0.51 | 0.49 | 0.19 | 0.30 | 1.00 | 0.09 | ||
| Urban | 1+ child <18 (1=Yes; 0=No) | 0.22 | 0.23 | 0.82 | 0.36 | 0.09 | 1.00 | |
| Suburban | 0.24 | 0.15 | 0.89 | 0.40 | -0.03 | 1.00 | ||
| Rural | 0.30 | 0.24 | 0.85 | 0.41 | 0.09 | 1.00 |
NOTE: Pearson correlation used between continuous independent variables, polychoric correlation between binary and continuous independent variables, and tetrachoric correlation between binary independent variables. Homeowner and 1+ child <18 are binary variables; all other variables are continuous.
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