Table 1.

Intervention content

Treatment module	Mandatory/optional	Homework assignment
Module 1: Introduction	Mandatory	On time-diary, identifying values
Module 2: Physical and valued activity	Mandatory	Activity scheduling, use activity meter
Module 3: Stress, anxiety and avoidance	Mandatory	Confront an avoidance behavior
Module 4: Problem solving strategies	Mandatory	Problem solving, acceptance
Assertive communication	Optional	Practice assertive communication
Cognitive distortions	Optional	Cognitive reappraisal
Existential questions	Optional	Imagine 100th birthday party
Mindfulness training	Optional	Mindfulness exercises with audio
Pain	Optional	Pain acceptance
Panic and agoraphobia I	Optional	Hyperventilation test, in vivo-exposure
Panic and agoraphobia II	Optional	Controlled breathing, interoceptive exposure
Relaxation training	Optional	Progressive relaxation training with audio
Rumination	Optional	Identify rumination, activity scheduling
Sexuality and intimacy	Optional	Reflect on sexuality with partner or self
Sleep and circadian rhythm	Optional	Sleep restriction and stimulus control
Social anxiety	Optional	In vivo-exposure
Worry	Optional	Worry time
Last module: living actively	Mandatory	Summary, plan for the future