Table 3. Summary of regressions on logged weighted Medicare payments: 1984.
Variable | Model 1 | Model 2 | Model 3 | Model 4 | Model 5 | Model 6 | Model 7 |
---|---|---|---|---|---|---|---|
| |||||||
Coefficient | |||||||
Age | 10.1585 | 10.1336 | 10.0923 | 0.0629 | 0.0488 | 0.0325 | — |
Sex | −0.0114 | 0.0001 | −0.0079 | 0.0063 | 0.0176 | 0.0179 | — |
Institutional status | 0.0419 | 0.0360 | −0.0211 | 0.0160 | 0.0151 | 0.0179 | — |
Prior hospitalization | — | 10.1699 | — | — | 10.1390 | 10.1115 | — |
Prior physician visit | — | 20.0621 | — | — | 10.0963 | 10.1077 | — |
Disability | — | — | 10.2250 | — | — | 10.1388 | — |
Dichotomous systolic BP | — | — | — | 0.0076 | 0.0194 | 0.0546 | 0.0070 |
Systolic BP treatment level | — | — | — | −30.0844 | −20.1027 | −20.1162 | −30.0898 |
Forced vital capacity | — | — | — | −10.1331 | −10.1259 | −20.0947 | −10.1592 |
Serum cholesterol | — | — | — | −0.0076 | −0.0046 | −0.0085 | −0.0095 |
Blood sugar | — | — | — | 10.1038 | 10.0968 | 10.1022 | 10.0995 |
2-year CVD probability | — | — | — | 20.1106 | 30.1078 | 0.0753 | 10.1460 |
Cigarettes per day | — | — | — | 30.2241 | 20.2855 | 20.3037 | 0.1987 |
Pack years | — | — | — | 20.1062 | 20.1036 | 10.1101 | 20.0962 |
Sex X cigarettes per day | — | — | — | −30.1683 | −30.1967 | −30.1938 | −30.1653 |
Age X cigarettes per day | — | — | — | −20.1679 | −20.1892 | −20.2051 | −20.1501 |
R2 (percent) | 2.9 | 6.4 | 7.1 | 6.4 | 9.6 | 11.6 | 6.1 |
Adjusted R2 (percent) | 2.7 | 6.0 | 6.7 | 4.9 | 8.0 | 9.8 | 5.0 |
Degrees of freedom | 1,116 | 1,078 | 1,042 | 866 | 840 | 794 | 867 |
F value | 11.2 | 14.7 | 19.8 | 4.5 | 5.9 | 6.4 | 5.6 |
Prob>f | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 | 0.0001 |
The p-value for the standardized beta coefficient is <0.01.
The p-value for the standardized beta coefficient is <0.05.
The p-value for the standardized beta coefficient is <0.10.
NOTES: BP is blood pressure. CVD is cardiovascular disease.
SOURCE: The Framingham Study, Boston University; Health Care Financing Administration: Data from the Medicare Automated Data Retrieval System.