Table 8 Heterogeneity analysis of the impact of air pollution on health inequality among different socioeconomic status populations.

From: Air pollution, migrants’ health inequality, and China’s Cross-regional Medical Insurance Scheme: a moderating effect analysis

Variable

Health inequality

Health inequality

Health inequality

AQI×Registered residence

−0.0116***

(−2.87)

  

AQI×Income

 

−0.0007***

(−5.39)

 

AQI×Educational level

  

−0.0003***

(−3.62)

Control variable

Yes

Yes

Yes

Observations

28,752

28,752

28,752

  1. *p < 0.1, **p < 0.05, and ***p < 0.01. Z-statistics are in parentheses.
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