Fig. 7From: Hospital bed supply and inequality as determinants of maternal mortality in China between 2004 and 2016Mediation analysis of the effect of facility birth rate on hospital bed density or Gini coefficient and MMR. Note: a, b, c and c’ are regression coefficients. a × b denotes the indirect effects from hospital bed density (Gini coefficient) to MMR via facility birth rate. Ratio means the proportion of indirect effect accounting for the total effect. ***, ** and * denote 1, 5 and 10% significance levels, respectivelyBack to article page