Table 2 |
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|
Summary statistics testing for the endogeneity of the health insurance variable |
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| Statistics Tests* |
Public providers |
Private providers |
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|
|
|
|||||
| DF** |
Statistic |
p-value |
DF** |
Statistic |
p-value |
|
|
|
||||||
| Unconditional estimates (N = 16485): |
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| Askes & Jamsostek |
||||||
| -Wu-Hausman |
F(2,16453) |
0.7326 |
0.4807 |
F(2,16453) |
0.19261 |
0.8248 |
| -Durbin-Wu-Hausman |
Chi-sq(2) |
1.4679 |
0.4800 |
Chi-sq(2) |
0.38597 |
0.8245 |
|
|
||||||
| Askes only |
||||||
| -Wu-Hausman |
F(1,16454 |
0.0850 |
0.7707 |
F(1,16454) |
0.34298 |
0.5581 |
| -Durbin-Wu-Hausman |
Chi-sq(1) |
0.0851 |
0.7705 |
Chi-sq(1) |
0.34361 |
0.5578 |
|
|
||||||
| Jamsostek only |
||||||
| -Wu-Hausman |
F(1,16454) |
0.8811 |
0.3479 |
F(1,16454) |
0.18927 |
0.6635 |
| -Durbin-Wu-Hausman |
Chi-sq(1) |
0.8828 |
0.3475 |
Chi-sq(1) |
0.18962 |
0.6632 |
|
|
||||||
| Conditional estimates (N = 5055): |
||||||
| Askes & Jamsostek |
||||||
| -Wu-Hausman |
F(2,5023) |
0.14599 |
0.8642 |
F(2,5023) |
1.34468 |
0.2607 |
| -Durbin-Wu-Hausman |
Chi-sq(2) |
0.29383 |
0.8634 |
Chi-sq(2) |
2.70505 |
0.2586 |
|
|
||||||
| Askes only |
||||||
| -Wu-Hausman |
F(1,5024) |
0.00437 |
0.9473 |
F(1,5024) |
0.47523 |
0.4906 |
| -Durbin-Wu-Hausman |
Chi-sq(1) |
0.00439 |
0.9472 |
Chi-sq(1) |
0.47811 |
0.4893 |
|
|
||||||
| Jamsostek only |
||||||
| -Wu-Hausman |
F(1,5024) |
0.24074 |
0.6237 |
F(1,5024) |
2.64705 |
0.1038 |
| -Durbin-Wu-Hausman |
Chi-sq(1) |
0.24221 |
0.6226 |
Chi-sq(1) |
2.66198 |
0.1028 |
|
|
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|
*Statistic tests were calculated using Instrumental Variable estimation [15]. ** Degree of freedom (DF). |
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|
Hidayat Cost Effectiveness and Resource Allocation 2008 6:15 doi:10.1186/1478-7547-6-15 |
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