STAI: higher scores reflect more anxiety (scores 20-80). trait anxiety state anxiety STAI score Mean (±SEM) scores on the State-Trait Anxiety Inventory (STAI) (upper panel) and the Vigor scale of the Profile of Mood States (lower panal) at baseline and during follow- up. *Denotes significantly different from baseline. STAI: higher scores reflect more anxiety (scores 20-80). Vigor: higher scores reflect a better mood (scores 5-25). vigor score follow-up duration (years) Abbildung mod. nach Arwert, 2005