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Results for the regression of dummy variables indicating income decile against total drug costs |
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| Explanatory Variables |
Household income |
Neighborhood Income |
Household income (without covariates) |
Neighborhood Income (without covariates) |
|
|
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| Income decile 1 |
-169.00 (-30.27) |
-59.162 (-10.57) |
-68.22 (-9.87) |
-14.57 (-2.65) |
| Income decile 2 |
-297.08 (-53.20) |
-128.26 (-22.92) |
-405.50 (-58.67) |
-96.59 (-17.61) |
| Income decile 3 |
-305.05 (-54.63) |
-91.67 (-16.38) |
-289.43 (-41.87) |
-80.34 (-14.65) |
| Income decile 4 |
-232.39 (-41.62) |
-85.20 (-15.22) |
-179.73 (-26.00) |
-72.91 (-13.29) |
| Income decile 5 |
-378.51 (-67.78) |
-77.08 (-13.77) |
-41.74 (-6.04) |
-67.03 (-12.22) |
| Income decile 6 |
-257.56 (-46.13) |
-74.33 (-13.28) |
-40.48 (-5.85) |
-54.49 (-9.94) |
| Income decile 7 |
-207.80 (-37.21) |
-64.83 (-11.58) |
-34.68 (-5.02) |
-44.99 (-8.21) |
| Income decile 8 |
-89.99 (-16.12) |
-62.60 (-11.18) |
-53.00 (7.67) |
-39.09 (-7.13) |
| Income decile 9 |
-32.60 (-5.84) |
-57.38 (-10.25) |
-14.63 (-2.12) |
-34.05 (-6.21) |
| Presence of seniors |
787.81 (250.77) |
790.37 (267.87) |
Not included |
Not included |
| Household size |
105.43 (89.26) |
104.65 (92.14) |
Not included |
Not included |
| Adjusted R2 |
0.101 |
0.06 |
0.01 |
0.01 |
|
Note: T statistics are in parentheses. All coefficients are significant at 95% confidence interval. | ||||
Hanley and Morgan BMC Health Services Research 2008 8:79 doi:10.1186/1472-6963-8-79 |
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