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Buntin MB, Escarce J, Goldman D, et al. Determinants of Increases in Medicare Expenditures for Physicians' Services. Rockville (MD): Agency for Healthcare Research and Quality (US); 2003 Oct. (Technical Reviews, No. 7.)
| Dependent Variable: 1993 RVUs; Mean = 38.1 | Coefficient | Robust Standard Error |
|---|---|---|
| 65–69 years | 4.32 | 3.63 |
| 70–74 years | 8.84* | 3.89 |
| 75–79 years | 8.21** | 4.38 |
| 80–84 years | 0.10 | 3.49 |
| 85+ years | -1.41 | 6.22 |
| Male | 2.68 | 4.48 |
| 65–69 & male | 1.39 | 5.24 |
| 70–74 & male | -2.09 | 5.51 |
| 75–79 & male | 3.19 | 6.37 |
| 80–84 & male | 10.67** | 5.87 |
| 85+ & male | 0.15 | 7.94 |
| > High school education | 4.02** | 2.36 |
| Medicaid | 17.80* | 4.13 |
| Private supplement | 15.49* | 2.16 |
| Drug coverage | -1.16 | 2.10 |
| Urban residence | 8.45* | 1.85 |
| Midwest | -0.63 | 3.01 |
| South | -4.59* | 2.24 |
| West | -1.84 | 2.78 |
| Other | -4.07 | 4.47 |
| 1–2 ADLs | 0.40 | 2.77 |
| 3+ ADLs | 6.02 | 4.52 |
| 1–2 IADLs | 15.09* | 2.81 |
| 3+ IADL | 21.80* | 4.37 |
| Ever smoked | 1.32 | 1.87 |
| Hardening of the arteries | 4.53 | 3.18 |
| Hypertension | 3.97* | 1.69 |
| Myocardial infarction | 12.11* | 4.00 |
| Angina pectoris/CHD | 5.20 | 3.35 |
| Other heart condition | 7.45* | 2.41 |
| Stroke/brain hemorrhage | -6.93* | 3.13 |
| Other cancer (not listed below) | 9.94* | 4.55 |
| Skin cancer | 5.52* | 2.26 |
| Lung cancer | 56.95* | 19.33 |
| Colon cancer | 19.55* | 6.33 |
| Breast cancer | 13.99* | 7.02 |
| Prostate cancer | 25.49* | 6.70 |
| Diabetes | 8.13* | 2.56 |
| Arthritis | 3.52** | 1.98 |
| Alzheimer's | -7.57 | 6.00 |
| Mental disorder | 2.41 | 3.18 |
| Osteoporosis | -3.51 | 3.38 |
| Broken hip | 12.98 | 9.51 |
| Parkinson's | -5.45 | 4.69 |
| Emphysema, asthma, COPD | 1.51 | 2.43 |
| Decedent | 43.75* | 8.05 |
| Constant | -11.45* | 4.77 |
| Number of observations | 9,627 | |
| R2 = 0.0684 | ||
- *
significant at p< 0.0.5
- **
significant at p< 0.10
OLS = ordinary least squares.
ADLs = activities of daily living.
IADLs = instrumental activities of daily living.
CHD = chronic heart disease.
COPD = chronic obstructive pulmonary disease.
Note: Omitted categories are <65 years, <65 years and male, Northeast region, zero ADLs, zero IADLs, and no self-reported conditions.
- 1993 OLS Model Estimation Results - Determinants of Increases in Medicare Expend...1993 OLS Model Estimation Results - Determinants of Increases in Medicare Expenditures for Physicians' Services
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