Fig. 1From: Decomposing socioeconomic inequalities in depressive symptoms among the elderly in ChinaConcentration curve of depressive symptoms among elderly in China. The green line, running from the lower left corner to the upper right corner, is the equality line. The blue line above the equality line represents the concentration curve. The father the concentration curve is above the equality line, the more concentrated the ill-health is among the poorBack to article page