Table 3. State data: Ordinary least squares (OLS)
estimates—Number of physicians per 100,000 residents
(1985, 1990, 1995, and 2000 data; N = 196)
| Explanatory variable |
Coefficient |
Standard error |
t statistic |
| Intercept |
172.56 |
25.81 |
6.65 |
| Percent of population age 65
years or older |
5.18 |
1.49 |
3.47 |
| Hospital beds per 1,000 residents |
-.04 |
.02 |
-1.58 |
| Percent of population unemployed |
-6.45 |
1.77 |
-3.65 |
| Population in thousands of residents per square mile |
17.37 |
2.28 |
7.63 |
| Personal income in thousands of dollars |
1.33 |
.37 |
3.60 |
| Farm income as percent of State
domestic product |
-4.97 |
1.08 |
-4.59 |
| State law
capping damage awards in malpractice cases (1=yes, 0=no) |
23.90 |
6.32 |
3.78 |
Adjusted R2= .52. |
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