Table 3 Regression coefficients (95% confidence intervals) from the Physician Density Prediction Model of two variables (proportion under age 15 years, life expectancy)
From: Predicting the demand of physician workforce: an international model based on "crowd behaviors"
Training Set (N = 65) | Validation Set (N = 65) | Entire Set (N = 130) | |
|---|---|---|---|
Intercept | 4.841 (1.543, 8.139) | 5.412 (2.056, 8.777) | 5.014* (2.676, 7.351) |
Proportion under age 15 years | -0.125 (-0.162, -0.088) | -0.134 (-0.172, -0.096) | -0.128* (-0.154, -0.102) |
Life expectancy (years) | 0.033 (-0.002, 0.068) | 0.033 (-0.003, 0.069) | 0.034† (0.009, 0.059) |
R-squared | 81.6% | 80.1% | 80.4% |