Table 1 Measurement points and intervention sessions

Baseline measurement (T1)

Po-Bado-KF, NCCN Distress Thermometer, HADS, FBK-R23, SF-12, EQ-5D-5L, ERA^b, WAI-r^b, GoalAdjust, FCR7, RRQ

Intervention session 1^a

Introduction and anamnesis

Intervention session 2

Feedback on diagnostic assessments and psychoeducation

Intervention session 3

Value-goal clarification, introduction to values and the value questionnaire

Intervention session 4

Elaboration of old and new values, goal 1

Intermediate measurement 1 (T2)

GoalAdjust, RRQ, ZUF-8 (only VA-V), WAI-SR (only VA-V)

Intervention session 5

Elaboration of old and new values, goal 2

Intervention session 6^a

Elaboration of old and new values, goal 3

Intervention session 7

Value-oriented activation, further activity building and dealing with problems

Intervention session 8

Completing the individual activity plan

Intermediate measurement 2 (T3)

GoalAdjust, RRQ, ZUF-8 (only VA-V), WAI-SR (only VA-V)

Intervention session 9

Dealing with specific problems, Problem-solving training 1

Intervention session 10

Problem-solving training 2

Intervention session 11

Problem-solving training 3

Intervention session 12^a

Closing session, summary, relapse prevention

Post measurement (T4)

HADS, FBK-R23, SF-12, EQ-5D-5L ERA^b, GoalAdjust, FCR7, ZUF-8 (only VA-V), WAI-SR (only VA-V), RRQ, Closing questionnaire

Catamnesis (6 months post intervention, T5)

HADS, FBK-R23, SF-12, EQ-5D-5L, ERA^b, GoalAdjust, FCR7, WAI-r^b, RRQ