Table 2.
Regression Estimates and Standard Errors for the Associations among Facility and Market Characteristics and Total Number of Hospital Days per Patient per Year at Risk
| Probabilistic Patient Choice Adjusted Estimates |
Actual Patient Choice Estimates |
|||
|---|---|---|---|---|
| Coefficient (SE) | p-Value | Coefficient (SE) | p-Value | |
| Facility size (No. of patients) | ||||
| 0–35 (lower tier) | 0 | — | 0 | — |
| 35–72 (mid tier) | 0.041 (0.017) | .017 | −0.044 (0.013) | .001 |
| 72+ (top tier) | 0.14 (0.017) | <.001 | −0.021 (0.013) | .10 |
| Profit status | 0.17 (0.048) | <.001 | 0.098 (0.030) | <.001 |
| Chain affiliation | 0.058 (0.040) | .15 | −0.0034 (0.020) | >.20 |
| Market competition–chain interaction | −0.034 (0.050) | >.20 | 0.00050 (0.079) | >.20 |
| Market competition* | 0.23 (0.041) | <.001 | 0.44 (0.071) | <.001 |
| For-profit market share | −0.078 (0.047) | .099 | −0.039 (0.032) | >.20 |
| Chain market share | −0.030 (0.041) | >.20 | 0.042 (0.027) | .13 |
| Fraction of patients with private insurance | ||||
| Nonprofit | 0.089 (0.15) | >.20 | 0.21 (0.11) | .042 |
| For-profit | 0.10 (0.092) | >.20 | 0.19 (0.055) | <.001 |
*
Market competition is measured on a scale from 0 to 1, with higher values indicating higher level of competition. Its precise definition is 1 minus the Hirschman–Herfindahl index, a measure of market competition that also ranges from 0 to 1.