Figure 3
From: Using quantile regression to investigate racial disparities in medication non-adherence

Distribution of Predicted Mean Medication Possession Ratio (MPR) by age for each type of model (Quantile Regression versus OLS). OLS = ordinary least squares. Qi = ith quantile (i = 1,.5): Quantiles are based on unconditional MPR cutoff values: 0.33, 0.48, 0.61 0.72 and 0.94.