Table 2.
Medical Cost Regression Estimates
| Dependent Variable | Medical Costs | Natural Log of Medical Costs |
||
|---|---|---|---|---|
| Independent Variables |
Estimated Coefficient (P-value) |
Estimated Coefficient (P-value) |
||
| PS* | OLS | PS* | OLS | |
| (Constant) | 395.99 (.755) |
140.91 (.912) |
−.363 (.387) |
−.358 (.391) |
| Age | 26.62 (.089) |
22.82 (.144) |
.015 (.003) |
.015 (.003) |
| Male | 70.12 (.838) |
−30.10 (.930) |
.044 (.700) |
.045 (.689) |
| # of Diabetes Complications |
−52.90 (.670) |
−101.54 (.409) |
.081 (.046) |
.082 (.042) |
| # Economic Stressors | 81.66 (.201) |
58.44 (.356) |
−.008 (.701) |
−.008 (.710) |
| Chronic Disease Score | −18.01 (.688) |
−29.92 (.505) |
−.018 (.236) |
−.018 (.239) |
| Time | −187.08 (.296) |
−189.61 (.291) |
−.082 (.166) |
−.082 (.166) |
| Time Squared | 6.76 (.361) |
6.83 (.358) |
.003 (.276) |
.003 (.277) |
| MDDP Treatment | −32.85 (.903) |
−291.02 (.246) |
.026 (.772) |
.030 (.718) |
| Propensity Score | −1693.64 (.010) |
.027 (.903) |
||
*
Propensity score estimated using predicted logistic probability of treatment assignment as a correction for observed confounding using baseline predictors (see text).