Table 3.
Effect of Dual Eligibles on Probability of Readmission: Logistic Regression Analysis
| Dual Eligible Controls | AMI | Pneumonia | Heart Failure | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Model 1 | Model 2 | Model 3 | Model 1 | Model 2 | Model 3 | Model 1 | Model 2 | Model 3 | |
| Logit regression coefficients | |||||||||
| Dual eligible (patient level; range: 0–1) | 0.259* (0.018) | – | 0.228* (0.019) | 0.174* (0.012) | – | 0.153* (0.013) | 0.178* (0.010) | – | 0.151* (0.010) |
| Fraction of dual patients (hospital level; range: 0–1) | – | 0.552* (0.064) | 0.352* (0.067) | – | 0.356* (0.046) | 0.205* (0.048) | – | 0.405* (0.037) | 0.261* (0.038) |
| Changes in readmission rate | |||||||||
| Change from nondual to dual patient (%) | 4.2 | – | 3.7 | 2.6 | – | 2.3 | 3.4 | – | 2.8 |
| Change from 25th to 75th of fraction of dual patients at hospital level (%) | – | 1.8 | 1.1 | – | 1.1 | 0.6 | – | 1.6 | 1.0 |
| Overall readmission rate (%) | 19.7 | 18.3 | 24.7 | ||||||
| Sample size | 142,504 | 265,498 | 351,472 | ||||||
Note. Clustered standard error at hospital level is reported in parenthesis.
*
p < .01. All models include age, gender, and Elixhauser comorbidity indicators (coefficients not shown).
Source. Authors' analysis.