Table 5
Results From Part 2 Models of Log (Spending) for Patient-Months with Any Spending
| Regression Coefficient (SE) | Coefficient p Value | Predicted Level of Spending, Preservice Period | Predicted Level of Spending, Service Period | |
| All office spending | −0.002 (0.018) | 0.92 | $138.60 | $138.35 |
| MD office spending | −0.025 (0.018) | 0.16 | $132.91 | $129.56 |
| Laboratory spending | −0.051 (0.068) | 0.45 | $40.98 | $38.93 |
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Coefficients shown in column 1 are from log-linear OLS models that also control for age, gender, three-digit zip code, month, and treatment group membership. The predicted level of spending applies to those who had any spending. Robust standard errors (SE) are in parentheses.
