Figure 4.

Average incremental out-of-pocket expenditures on medicine for each additional chronic diseases by economic position and country. The figure shows the average incremental out-of-pocket expenditures on medicine (i.e., marginal effects) for each additional chronic disease by economic status and country. Estimates were derived from a log link GLM model with gamma distribution. Socio-economic position measured using household income per capita, in quartiles within each country for each wave respectively; the poorest being Q1 = 1, the richest being Q4 = 4.