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Table 3 Hausman test results of the IIA

From: Urban-rural disparities in health care utilization among Chinese adults from 1993 to 2011

Omitted chi2 df P > chi2 evidence
0 − 4500.000 28 1.000 for Ho
1 − 4000.000 54 1.000 for Ho
2 −51.937 56 1.000 for Ho
3 − 510.629 28 1.000 for Ho