Fig. 1

Predictive Margins of PCDGS to service scope in 2017. The solid line plots the Margins with 95% confidence internals were reported. The left panel plots the relationship between PCDGS and service scope of primary care facilities. The right panel plots the relationship between PCDGS and basic medical care service scope of primary care facilities. The red line represents the extremum points (42.5% for left panel and 42.6% for the right panel). CIs, Confidence Intervals; DGS, direct government subsidies; FR, financial revenue