Table 9. Coefficients Predicting the Probability of Using PAC Services, by Selected Characteristics: United States, 1995.
| Characteristic | Rehabilitation Only | SNF Only | HHC Only | HHC + Either Rehabilitation or SNF | Rehabilitation + SNF or HHC, Rehabilitation, and SNF Combined | |
|---|---|---|---|---|---|---|
| Intercept | -18.9634 | -22.8232 | -14.0046 | -24.9976 | -33.2788 | |
| Age | 0.3497 | 0.4185 | 0.2928 | 0.5027 | 0.6433 | |
| Age Squared | -0.00222 | -0.00202 | -0.00163 | -0.00278 | -0.00369 | |
| Disabled | NS | 0.3864 | 0.268 | 0.3445 | 0.3595 | |
| Female | 0.165 | 0.3478 | 0.3056 | 0.5412 | 0.406 | |
| Black | NS | -0.1303 | 0.3461 | 0.1199 | NS | |
| Medicaid/Medicare Dually Eligible | -0.4115 | 0.5915 | NS | -0.2128 | NS | |
| Died in 1995 | -0.3551 | 0.6893 | -0.3668 | -0.3408 | -0.3907 | |
| Hospital Readmission | 0.676 | 0.8723 | 1.1844 | 2.2018 | 2.7198 | |
| Census Division | ||||||
| Middle Atlantic | 0.3928 | -0.4488 | -0.2932 | -0.7453 | -0.4139 | |
| South Atlantic | NS | -0.6217 | -0.4045 | -0.7204 | -0.6482 | |
| East North Central | NS | -0.2036 | -0.5746 | -0.5883 | NS | |
| East South Central | NS | -0.731 | -0.4672 | -0.7952 | -0.4939 | |
| West North Central | NS | NS | -0.7965 | -0.4844 | NS | |
| West South Central | 0.757 | -0.4453 | -0.4901 | -0.3862 | 0.4436 | |
| Mountain | 0.4872 | -0.1267 | -0.5996 | -0.206 | NS | |
| Pacific | NS | NS | -0.444 | NS | NS | |
| DRG Number and Name | ||||||
| 014 | Specific Cerebrovascular Disorders Except TIA | 3.0594 | 1.4547 | 0.5124 | 1.7786 | 3.3143 |
| 089 | Simple Pneumonia and Pleurisy, Age Over 17 Years | -1.4533 | 0.2114 | NS | NS | -1.0697 |
| 127 | Heart Failure and Shock | -1.1363 | -0.2985 | 0.3174 | -0.1421 | -0.7844 |
| 209 | Major Joint and Limb Reattachment Procedures of Lower Extremity | 4.1294 | 2.5742 | 1.9175 | 3.6303 | 3.5839 |
| 210 | Hip and Femur Procedures Except Major Joint, Age Over 17 Years, with CC | 3.4756 | 2.8496 | 0.9161 | 3.2207 | 3.93 |
| 211 | Hip and Femur Procedures Except Major Joint, Age Over 17 Years, Without CC | 4.0163 | 2.9337 | 1.1865 | 3.3709 | 3.8943 |
| 088 | Chronic Obstructive Pulmonary Disease | -0.8531 | -0.1989 | 0.2336 | NS | -0.6872 |
| 079 | Respiratory Infections and Inflammations, Age Over 17 Years, with CC | -0.8293 | 0.5865 | NS | NS | -1.1848 |
| 296 | Nutritional and Miscellaneous Metabolic Disorders, Age Over 17 Years, with CC | NS | 0.5432 | 0.2784 | 0.4391 | NS |
NOTES: PAC is post-acute care. SNF is skilled nursing facility. HHC is home health care. NS is not statistically significant at the 0.01 level. DRG is diagnosis-related group. TIA is transient ischemic attack. CC is complications and/or comorbidities.
SOURCE: Medicare claims and enrollment files, 1995.