Table 5. Pooled cross-section time-series analysis of real ICF payment rates: 1979-86.
| Independent variables | Alternative specifications | |||
|---|---|---|---|---|
| CONSTANT |
*8.93 (23.2) |
*20.79 (2.5) |
*8.51 (23.1) |
**21.11 (2.4) |
| PFS |
*1.77 (5.8) |
*1.68 (5.7) |
*1.77 (5.5) |
*1.61 (5.1) |
| PCL | 0.97 (1.8) |
0.59 (1.3) |
*1.80 (3.2) |
*1.45 (2.6) |
| COM |
*1.21 (3.1) |
*1.01 (2.6) |
*1.14 (2.6) |
**0.99 (2.3) |
| POP65 | — | −0.08 (1.1) |
— | −0.14 (2.1) |
| DRS | — |
*0.01 (2.0) |
— | 0.01 (1.2) |
| LIFEX | — | −0.91 (1.9) |
— | −0.83 (1.6) |
| HOSP | — |
*0.02 (2.6) |
— | 0.01 (1.5) |
| UNEMP | — |
**−0.08 (2.0) |
— | −0.05 (1.0) |
| INCOME | — |
**0.45 (2.0) |
— | 0.34 (1.5) |
| YEAR81(ORA) | — | — | 0.64 (1.6) |
0.73 (1.7) |
| YEAR83(PPS) | — | — |
**1.12 (2.4) |
0.58 (1.1) |
| Y81 * PFS | — | — | −0.59 (1.4) |
−0.52 (1.3) |
| Y81 * PCL | — | — |
**−1.12 (2.1) |
*−1.17 (2.2) |
| Y81 * COM | — | — | −0.59 (1.2) |
−0.66 (1.4) |
| Y83 * PFS | — | — | −0.28 (0.6) |
−0.16 (0.3) |
| Y83 * PCL | — | — | −1.04 (1.9) |
−0.89 (1.6) |
| Y83 * COM | — | — | −0.13 (0.2) |
0.03 (0.1) |
| MSE | 0.86 | 0.86 | 0.81 | 0.80 |
| SAMPLE | 328 | 328 | 328 | 328 |
*
Significant at 0.01 level.
**
Significant at 0.05 level.
NOTES: Absolute value of asymptotic t-statistic in parentheses. ICF is intermediate care facility. ORA is Omnibus Reconciliation Act. PPS is prospective payment system.
SOURCE: (Swan, Harrington, and Grant, 1988); Statistical Abstract of the United States, 1980-1988 annual issues; American Medical Association, Physician Characteristics and Distribution in the U.S., 1981-1988 annual issues; American Hospital Association, Hospital Statistics, 1980-1987 annual issues.