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EQ-5D if not in perfect health (EQ-5D index score < 1) as a function of age in years, based on a one-inflated regression model including 10 determinants. Boxplots of observed and predicted (blue) EQ-5D scores (if not 1), on their original scale. Boxplots of predicted scores represent within- and between-imputation variance (see Table 3, mu model)
