Kaplan-Meier survival curves for the four quartiles of eudemonic wellbeing in ELSA: highest wellbeing quartile (blue), second wellbeing quartile (purple), third wellbeing quartile (green), lowest wellbeing quartile (red). Survival in months from baseline is modelled after adjustment for age, gender, demographic factors, baseline health indicators, history of depressive illness and depression symptoms, and baseline health behaviours.