Fig. 2From: Psychometric properties of the EQ-5D-5L for aboriginal Australians: a multi-method studyNote: The x-axis displays HRQoL with higher values indicating worse HRQoL. The y-axis displayed EQ-5D-5L item scores. The dark blue points represent the average observed item responses in each class interval. The light blue logistic curve indicates the expected item responses under the Rasch modelItem characteristic curves of the EQ-5D-5L items. Back to article page