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Figure 1 | Health and Quality of Life Outcomes

Figure 1

From: Multimorbidity and health-related quality of life in the older population: results from the German KORA-Age study

Figure 1

Estimated smooth functions and showing the nonlinear effects of age and body mass index (BMI) on the mean EQ-5D index score. The solid curves represent GAM estimates using a thin plate regression spline function with estimated 6.2 and 4.7 effective degrees of freedom for age and BMI, respectively. The shaded areas represent approximate 95% pointwise confidence intervals. The functions are fixed around the mean value of the EQ-5D index score. Due to estimation uncertainty for outliers, values for seven subjects over 90 years and one subject with a BMI >50 are not displayed.

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