Research Article

Empirical Analysis of Beneficial Equality of the Basic Medical Insurance for Migrants in China

Table 4

Influencing channels.

Total hospitalization medical expensesPossibility of medical insurance application
VariableHeckman modelProbit model
First step (1)Second step (2)

Income level (highest-income group as a reference)
Lowest income−0.0735 (0.0285)−0.3207 (0.0682)−0.0767 (0.0286)
Lower income−0.1373 (0.0294)−0.2523 (0.0725)−0.1399 (0.0294)
Middle income−0.1393 (0.0261)−0.2574 (0.0628)−0.1398 (0.0261)
Higher income−0.1363 (0.0262)−0.2591 (0.0630)−0.1398 (0.0263)
Wald test
(rho = 0) chi2 (1)
6.21
Observations1519992198154197

Standard errors are in parentheses; , , and .