Fig. 2
From: Socioeconomic differences in healthcare expenditure and utilization in The Netherlands
Regression coefficients of the differences in amount of total healthcare expenditure among those with expenditure by educational level (a) and income (b). Bars, 95 % confidence intervals; RR, rate ratio. Coefficients are adjusted for age, sex, interaction between age and sex, and year of participation in the health survey. The labels above the regression coefficients represent estimated marginal means of the difference in amount of total healthcare expenditure in Euros adjusted for covariates for each level of education and income compared to high education and the 5th income quintile, respectively