Table 5 Addressing Endogeneity and Omitted Variables Bias, Multinomial Logistic Regression Analysis
From: Effects of health insurance on patient demand for physician services
|
Routine Visits Only a |
Emergency Visits Only b |
Mixture of Visits c |
Routine Visits Only a |
Emergency Visits Only b |
Mixture of Visits c | |
|---|---|---|---|---|---|---|
| Coefficient | (1) | (2) | (3) | (4) | (5) | (6) |
| A. Acute Event Occurred Within One Year of the Survey (N = 1274) | B. Regression Discontinuity at Medicare Eligibility Threshold (N = 2203) | |||||
| Private insurance |
12.41** (6.03) |
−3.98*** (1.45) |
−1.00 (5.63) | |||
| Public insurance |
2.66 (6.31) |
−2.85** (1.46) |
13.76*** (5.51) | |||
| RD Term (≥ 65) |
37.96* (20.73) |
−61.43** (27.61) |
6.44 (7.52) | |||
| C. Managed Care Effects (N = 36,424) | D. Detailed Coverage Type (N = 36,424) | |||||
| Private insurance |
24.24*** (1.13) |
−2.16*** (0.29) |
1.33* (0.75) | |||
| Public insurance |
17.03*** (1.50) |
0.20 (0.30) |
8.17*** (0.81) | |||
| Private insurance × managed care |
0.28 (0.80) |
0.11 (0.29) |
−0.20 (0.48) | |||
| Public insurance × managed care |
2.20 (1.64) |
0.12 (0.35) |
0.96 (0.69) | |||
| Job-Based Group Insurance |
22.22*** (0.94) |
−2.16*** (0.26) |
−0.24 (0.55) | |||
| Other Group Insurance |
17.24*** (4.55) |
−1.97 (2.38) |
−1.76 (2.55) | |||
|
Individual (Non-Group) |
14.17*** (1.21) |
−1.48 (0.33) |
0.91 (0.67) | |||
| Medicaid |
12.56*** (1.08) |
0.48** (0.24) |
7.89*** (0.54) | |||
| Tricare/CHAMPVA |
1.01 (2.22) |
1.05* (0.60) |
2.58** (1.22) | |||
| Other Public |
14.49*** (5.21) |
−5.26** (2.39) |
−0.30 (2.49) | |||
| Uninsured | 1 | 1 | 1 | 1 | 1 | 1 |